Python Sunday Oct 31
Python Sunday Oct 31
Scratchpad #1
# print(1 + 2) # # Please follow the PEMDAS rule # print((2 + 2) * 2) # hello world sada sadsadsad # # print(100 / 3) current_year = 2021 current_year + 2 print(current_year * 2) next_year = current_year + 1 print(current_year / 2) day_in_a_week = 7 dayInAWeek # camel casing DayInAWeek # pascal # day-in-a-week #
Scratchpad #2
# # score: int = 100
# # score = "hello"
# # print(score)
# # twitter_handle = None
# first_name = "John"
# message = "He said, \"this 'is' good\""
# # ['message', '=', 'He said, ']
# "You have 5 items in your cart."
# first_name = "John"
# print(first_name[0])
message = "John Doe is a Python programmer"
# message.lower().find("python")
message.find("Python").upper()
Scratchpad #3
# 100 - 50
# score = 1 - 10 + 2
# print(score)
# print("Hello World")
# print("Amount of USD you want to convert?")
# usd = input("Amount of USD you want to convert: ")
# inr = float(usd) * 74.87
# inr = round(inr, 2)
# print(f"${usd} is equal to Rs. {inr}")
# age = int(input("Please enter your age: "))
# if age < 18:
# print("You are younger than 18")
# elif age == 18:
# print("You are 18")
# elif age == 21:
# print("You are 21")
# else:
# print("You are older than 18")
# if age:
# print(f"You are {age} years old")
# name = input("Please enter your name: ")
# if name:
# print(f"Hello, {name}")
# else:
# print("Please enter your name!")
# age = int(input("Please enter your age: "))
# if age > 18:
# print("You are allowed to enter but not drink")
# elif age > 21:
# print("You can enter and drink")
# elif age > 65:
# print("Drinks are free")
# else:
# print("You are not allowed")
# age = int(input("Please enter your age: "))
# if age >= 18 and age < 21:
# print("You are allowed to enter but not drink")
# elif age >= 21 and age < 65: # else if
# print("You can enter and drink")
# elif age > 65:
# print("Drinks are free")
# else:
# print("You are not allowed")
# if age >= 18 and age < 21:
# print("You are allowed to enter but not drink")
# if age >= 21 and age < 65: # else if
# print("You can enter and drink")
# if age > 65:
# print("Drinks are free")
# else:
# print("You are not allowed")
# age = int(input("Please enter your age: "))
# if age > 18:
# if age > 65:
# print("Drinks are free")
# elif age > 21:
# print("You can enter and drink")
# else:
# print("You are allowed to enter but not drink")
# else:
# print("You are not allowed")
# if age > 18:
# print("You are allowed to enter but not drink")
# elif age > 21:
# print("You can enter and drink")
# elif age > 65:
# print("Drinks are free")
# else:
# print("You are not allowed")
# player1 = input("Please enter player 1 choice: ")
# player2 = input("Please enter player 2 choice: ")
# if (
# (player1 == "rock" and player2 == "scissors")
# or (player1 == "paper" and player2 == "rock")
# or (player1 == "scissors" and player2 == "paper")
# ):
# print("Player 1 wins")
# elif (
# (player2 == "rock" and player1 == "scissors")
# or (player2 == "paper" and player1 == "rock")
# or (player2 == "scissors" and player1 == "paper")
# ):
# print("Player 2 wins")
# elif player1 == player2:
# print("It's a tie")
# else:
# print("Something went wrong")
# for num in range(1000000):
# print(f"{num} - Hello World")
# for char in "hello world":
# print(char)
# for num in range(100, 201):
# print(num)
# for num in range(15):
# print(num)
# for num in range(1, 5):
# print(num)
# for num in range(0, 21, 5):
# print(num)
# for num in range(10, -10, -2):
# print(num)
8097297331
Scratchpad #4
# # for num in range(0, 10):
# # print(num)
# # print("Hello World")
# # for num in range(50, 100):
# # print(num)
# # for num in range(0, 51, 5):
# # print(num)
# # for num in range(50, 0, 5):
# # print(num)
# # for num in range(1, 21):
# # if num == 5 or num == 16:
# # print("FizzBuzz")
# # elif num % 2 == 0:
# # print(f"{num}: Fizz is even")
# # elif num % 2 == 1:
# # print(f"{num}: Fizz is odd")
# # password = input("Please enter your password: ")
# # num = 0
# # while password != "john123":
# # print(f"{num}: Wrong password")
# # num += 1
# # password = input("Please enter again: ")
# # for num in range(0, 10):
# # print(num)
# # num = 0
# # while num < 100:
# # print(num)
# # num = num + 1
# # from random import randint
# # random_num = randint(1, 10)
# # password = input("Please enter your password: ")
# # while password != "john123":
# # if password == "exit":
# # break
# # print("Wrong password")
# # password = input("Please enter again: ")
# # password = input("Please enter your password: ")
# # while True:
# # if password == "john123":
# # break
# # print("Wrong password")
# # password = input("Please enter again: ")
# # ksnd
# # john
# # while password != "john123":
# # print("Wrong password")
# # password = input("Please enter again: ")
# # count = 0
# # password = input("Please enter your password: ")
# # while count < 2:
# # if password == "john123":
# # break
# # print("Wrong password")
# # password = input("Please enter again: ")
# # count += 1
# from random import randint
# random_num = randint(1, 10) # 6
# while True:
# guess = int(input("Pick a number between 1 and 10: ")) # 5
# if guess < random_num:
# print("Too low")
# elif guess > random_num:
# print("Too high")
# else:
# print("Correct!")
# print(guess)
# play_again = input("Do you want to play again (y/n): ")
# if play_again == "y":
# random_num = randint(1, 10)
# else:
# print("Thank you for playing")
# break
# tasks = "pay bills,practice python,other task"
tasks = ["pay bills", "practice python", "other task"]
Scratchpad #5
# # tasks = ["pay bills", "practice python", "other task"]
# # print(tasks)
# # for task in tasks:
# # print(task)
# # tasks = ["pay bills", "practice python", "other task"]
# # i = 0
# # while i < len(tasks):
# # print(tasks[i])
# # i += 1
# # langs = ["Python", "JavaScript", "Rust", "Elm", "WASM"]
# # for lang in langs:
# # print(lang.upper())
# # i = 0
# # while i < len(langs):
# # print(f"{i + 1}: {langs[i]}")
# # i += 1
# # i = 1
# # for lang in langs:
# # print(f"{i}: {lang}")
# # i += 1
# tasks = []
# while True:
# task = input("Add task to list (q to quit): ")
# if task == "":
# print("Please enter a valid task.")
# elif task == "q":
# break
# else:
# tasks.append(task)
# print(f"You have {len(tasks)} tasks to complete:")
# for task in tasks:
# print(task)
# langs = ["Python", "JavaScript", "Rust", "Elm", "WASM", "Lua"]
# print(langs.pop())
# deleted_item = langs.pop()
# print(langs)
# print(deleted_item)
# nums = [1, 4, 3, 7, 9]
# squared = []
# for num in nums:
# squared.append(num ** 2)
# print(squared)
# nums = [1, 4, 3, 7, 9]
# cubed = [num ** 3 for num in nums]
# print(cubed)
# nums = [1, 4, 3, 2, 24, 9, 12, 13, 15, 18]
# squared = [LOGIC for num in nums if COND]
# squared = [num ** 2 for num in nums if num % 2 == 0]
# print(squared)
# new_nums = [LOGIC if COND else LOGIC for num in nums]
# new_nums = [num ** 2 if num % 2 == 0 else num ** 3 for num in nums]
# print(new_nums)
nums = [[1, 2, 3, 4, 5], [4, 5, 6], [7, 8, 9]]
# for lst in nums:
# for num in lst:
# print(num)
# new_nums = []
# for lst in nums:
# squared = []
# for num in lst:
# squared.append(num ** 2)
# new_nums.append(squared)
# new_nums = [[num ** 2 for num in lst] for lst in nums]
# new_nums = [
# [num ** 2 if num % 2 == 0 else num ** 3 for num in lst]
# if len(lst) > 3
# else [num ** 4 if num % 2 == 0 else num ** 5 for num in lst]
# for lst in nums
# ][:: [num ** 2 for num in nums[0]][1]][0][-1]
# print(new_nums)
Scratchpad #6
# product1 = ["iPhone 13", "Apple", 100000, 80, "Some description/info"]
# product2 = ["Apple", "iPhone 13", 80, 100000, "Some description/info"]
# print(product1[0])
# print(product2[1])
# product3 = {
# "name": "iPhone 13",
# "description": "Some description and details",
# "price": 100000,
# "brand": "Apple",
# "stock": 80,
# "features": ["camera", "microphone"],
# "info": {"creator": "Steve Job", "address": "Mountain View"},
# }
# product4 = {
# 0: "iPhone 13",
# 1: "Some description and details",
# 2: "Apple",
# 3: 100000,
# 4: 80,
# }
# # print(product3["name"])
# # print(product3["description"])
# print(product4[0])
# profile = {"first_name": "John", "last_name": "Doe", "age": 25}
# profile2 = dict(first_name="John", last_name="Doe", age=25)
# print(profile, profile2)
# print(profile["first_name"])
# print(profile["profession"])
# print(profile)
# profile["profession"] = "Python Dev"
# profile["age"] = 30
# print(profile)
# profile = {"first_name": "John", "last_name": "Doe", "age": 25}
# print(profile["first_name"])
# ["John", "Doe", 25]
# ["first_name", "last_name", "age"]
# for item in profile.values():
# print(item)
# for item in profile.keys():
# print(item, profile[item])
# for item in profile.items():
# print(item[0], item[1])
# for key, value in profile.items():
# print(key, value)
# for k, v in profile.items():
# print(k, v)
# song = {
# "name": "Parabola",
# "artist": "Tool",
# "album": "Lateralus",
# "released": 2001,
# "genres": ["Progressive/Art Rock", "Progressive metal"],
# }
# for item in song:
# print(item)
# names = ["john", "jane", "jack", "james"]
# upper_names = [item.upper() for item in names]
# print(upper_names)
# song = {
# "name": "Parabola",
# "artist": "Tool",
# "album": "Lateralus",
# "released": 2001,
# }
# song_mod = {item.upper(): song[item] for item in song}
# print(song_mod)
# nums = [1, 2, 3, 4, 5]
# nums_new = {num: "hello" for num in nums}
# print(nums_new)
# print({num: num ** 4 for num in range(50)})
# song = {
# "name": "Parabola",
# "artist": "Tool",
# "album": "Lateralus",
# }
# song2 = {k.upper(): v.lower() for k, v in song.items()}
# print(song2)
locations = {
(1.2132141234, 0.213123): "Mumbai Office",
(0.123213213, 1.213123213): "Pune Office",
}
airports = (("BOM", "Mumbai"), ("MAA", "Chennai"), ("DEL", "Delhi"))
Scratchpad #7
# print("100")
# def greet():
# print("Hello World")
# print("Hello World")
# print("Hello World")
# print("Hello World")
# print("Hello World")
# print("Hello World")
# greet()
# print(greet)
# def square_of_10():
# return "hello world"
# result = 10 * 10
# # return result
# print(square_of_10())
# print(square_of_10())
# score = 10000
# print(print(square_of_10()))
# some_num = square_of_10()
# print(some_num)
# def square(num):
# return num * num
# print(square(12))
# print(square(4))
# def greet(name, message):
# return f"{message}, {name}"
# name = input("Enter your name: ")
# message = input("Enter a message: ")
# print(greet(name, message))
# print(greet("James", "Hi"))
# def square(num):
# return num * num
# def cube(num):
# return square(num) * square(num)
# def do_something(a, b):
# return cube(a) + cube(b)
# print(do_something(4, 5))
# import random
# def flip_coin():
# if random.random() > 0.5:
# return "HEADS"
# else:
# return "TAILS"
# print(flip_coin())
# def add(a, b):
# return a + b
# def sub(a, b):
# return a - b
# def math(a, b, fn):
# return fn(a, b)
# # print(add(10, 5))
# # print(sub(10, 5))
# print(math(10, 5, sub))
# def sum_odd_numbers(numbers):
# total = 0
# for num in numbers:
# if num % 2 != 0:
# total += num
# return total
# print(sum_odd_numbers([1, 2, 3, 4, 5]))
# def is_odd_number(number):
# if number % 2 != 0:
# return "ODD"
# return "EVEN"
# print(is_odd_number(9))
# print(is_odd_number(4))
# def mul(a=1, b=1):
# return a * b
# print(mul())
def print_name(first_name, last_name="smith"):
print(f"My name is {first_name} {last_name}")
print_name(first_name="john")
# [email protected]
Scratchpad #8
# # name = "John Doe"
# # name = "Jack Smith"
# # age = 25
# # def greet():
# # def say_hello():
# # movie = "Spiderman - no way home."
# # print(name, age, movie)
# # say_hello()
# # print(name, age)
# name = "Jack Smith"
# age = 25
# def greet():
# global age
# age += 1
# print(f"{name} is {age} years old.")
# # def greet(age):
# # age += 1
# # print(f"{name} is {age} years old.")
# # greet(age)
# # greet(age)
# # greet(50)
# # greet(age)
# # print(age)
# def outer():
# count = 0
# def inner():
# nonlocal count
# count += 1
# print(count)
# inner()
# outer()
from random import choice
# Generate random password
# count -> int
# def gen_password(count):
# """Generate a random password that contains
# upper and lowercase chars, numbers and special chars
# @params
# count: int
# @return -> str
# """
# password = ""
# lower_alpha = "abcdefghijklmnopqrstuvwxyz"
# nums = "0123456789"
# symbols = "!@#$%^&*()"
# vals = lower_alpha + lower_alpha.upper() + nums + symbols
# while len(password) < count:
# password += choice(vals)
# return password
# print(gen_password(8))
# print(gen_password.__doc__)
# print(help(gen_password))
# def add(*nums):
# result = 0
# for num in nums:
# result += num
# return result
# print(add(10, 5, 10, 5, 40, 5))
# def profile(**kwargs):
# for k, v in kwargs.items():
# print(k, v)
# profile(name="John Doe", age=25, profession="Programmer")
# def show_info(a, b, *args, role="admin", **kwargs):
# print(a)
# print(b)
# print(args)
# print(role)
# print(kwargs)
# show_info(10, 23, 14, 15, 16, role="moderator", hello="world", info=True)
# def add(*nums):
# result = 0
# for num in nums:
# result += num
# return result
# nums = [10, 23, 14, 15, 16]
# print(add(*nums, 25, 25))
# # print(add(nums, 10))
# def greet(first_name, last_name):
# print(f"My name is {first_name} {last_name}.")
# profile = {"first_name": "John", "last_name": "Doe"}
# greet(**profile)
# # greet(first_name="John", last_name="Doe")
# def math(a, b, fn):
# return fn(a, b)
# print(math(10, 4, lambda a, b: a + b))
# print(math(10, 4, lambda a, b: a - b))
# print(math(10, 4, lambda a, b: a * b))
# def add(a, b):
# return a + b
# def sub(a, b):
# return a - b
# def div(a, b):
# return a / b
# test = lambda a, b: a / b
# math(10, 5, sub)
# print(test(10, 2))
# names = ["john", "jane", "jack", "james"]
# upper_cased1 = [name.upper() for name in names]
# def uppercase(name):
# return name.upper()
# upper_cased2 = map(uppercase, names)
# upper_cased2 = map(lambda name: name.upper(), names)
# print(upper_cased1)
# print(list(upper_cased2))
# nums = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15]
# evens1 = [num for num in nums if num % 2 == 0]
# print(evens1)
# evens2 = filter(lambda num: num % 2 == 0, nums)
# print(list(evens2))
# names = ["John", "Jack", "James", "Desmond", "Charlie", "Jacob"]
# # less_than_5_chars = filter(lambda name: len(name) < 5, names)
# uppercased = map(lambda name: name.upper(), filter(lambda name: len(name) < 5, names))
# # uppercased = [name.upper() for name in names if len(name) < 5]
# # print(list(less_than_5_chars))
# print(list(uppercased))
# nums = [12, 23, 435, 2, 323, 3, 34, -234, 0]
# print(all(nums))
people = ["John", "Jack", "James", "Jason", "Bane", "Jacob"]
print(all(people))
Scratchpad #9
# my_list = [{"name": "John"}, {}, {"name": "Jack"}]
# # print(all(my_list))
# if all(my_list):
# for item in my_list:
# print(item["name"])
# else:
# print("Data not good")
# people = ["John", "Jack", "James", "Jason", "Brad", "Jane", "Jacob"]
# print(any([name[0] == "J" for name in people]))
# def colorize(text, color):
# colors = ("red", "yellow", "green", "blue", "white", "black")
# if type(text) is not str:
# raise TypeError("Incorrect Type")
# if type(color) is not str:
# raise TypeError("Incorrect Type")
# if color not in colors:
# raise ValueError("Color is not supported")
# print(f"{text} in {color}")
# colorize(10, "purple")
# def divide(a, b):
# try:
# print(a / b)
# except (ZeroDivisionError, TypeError):
# print("Something went wrong")
# # except TypeError:
# # print("Can't divide strings")
# def divide(a, b):
# try:
# print(a / b)
# except Exception as err:
# print(err)
def divide(a, b):
try:
result = a / b
except Exception as err:
print(err)
else:
print(result)
finally:
print("THIS FUNCTION RAN")
divide(10, 0)
Scratchpad #10
# # def login(user, password):
# # if password == user["passwd"]:
# # print("Welcome")
# # else:
# # print("Incorrect password")
# # login(john, "test@123")
# # login(jane, "test")
# def user(first_name, last_name, email, phone, passwd):
# return {
# "first_name": first_name,
# "last_name": last_name,
# "email": email,
# "phone": phone,
# "passwd": passwd,
# "login": lambda user, passwd: print("welcome")
# if passwd == user["passwd"]
# else print("Incorrect"),
# }
# john = user("John", "Doe", "[email protected]", 9210983213, "test")
# jane = user("Jane", "Doe", "[email protected]", 9210983213, "test")
# # print(john["last_name"])
# john["login"](john, "test@123")
# # print(john["last_name"])
# # ---------------------------
# class User:
# def __init__(self, first_name, last_name, birth_year, email, phone, passwd):
# self.first_name = first_name
# self.last_name = last_name
# self.email = email
# self.phone = phone
# self.passwd = passwd
# self.age = 2021 - birth_year
# def login(self, passwd):
# if passwd == self.passwd:
# print("Welcome")
# else:
# print("Incorrect Password")
# def upload_picture(self, url):
# pass
# james = User("James", "Smith", "[email protected]", 214324324, "test123")
# print(james.first_name)
# # print(james.last_name)
# james.login("test")
# print(james)
# james.upload_picture()
# class Vehicle:
# def __init__(self, make, model, year):
# self.make = make
# self.model = model
# self.year = year
# self.country = "India"
# ford = Vehicle("Ford", "Mustang", 2020)
# suzuki = Vehicle("Maruti", "Wagon R", 2021)
# print(ford.model)
# print(suzuki.model)
# print(ford.country)
# print(suzuki.country)
class User:
def __init__(self, first_name, last_name, dob):
self.first_name = first_name
self.last_name = last_name
self.__dob = dob
def get_age(self):
age = 2022 - int(self.__dob.split("/")[-1])
return age
def get_dob(self):
return self.__dob
user1 = User("John", "Doe", "12/3/2000")
user2 = User("John", "Doe", "13/4/2001")
jane = User("Jane", "Doe", "14/5/2002")
jane.get_dob()
# print(user1.first_name)
# print(user2.first_name)
# user2.get_age()
jane.get_age()
# print(user1._User__dob)
# print(user1.get_age())
# print(user1.first_name)
# print(user1.last_name)
# print(user1.dob)
Scratchpad #11
# class User:
# total_users = 0
# active = 0
# def __init__(self, first_name, last_name, age):
# self.first_name = first_name
# self.last_name = last_name
# self.age = age
# User.total_users += 1
# def __str__(self):
# return f"{self.first_name} {self.last_name}"
# @classmethod
# def get_total_users(cls):
# print(f"Total Users: {cls.total_users}")
# def info(self):
# print(f"My name is {self.first_name} {self.last_name}")
# def login(self):
# User.active += 1
# print(f"{self.first_name} has logged in.")
# def logout(self):
# User.active -= 1
# print(f"{self.first_name} has logged out.")
# user1 = User("John", "Doe", 20)
# user2 = User("Jane", "Doe", 25)
# print(user1)
# print(user2)
# user1.login()
# user2.login()
# user1.logout()
# user1.info()
# user2.info()
# print(user1.active)
# print(user2.active)
# print(User.active)
# User.get_total_users()
# user1.get_total_users()
# class Math:
# @classmethod
# def add(cls, a, b):
# return a + b
# @classmethod
# def sub(cls, a, b):
# return a - b
# @classmethod
# def mul(cls, a, b):
# return a * b
# print(Math.add(10, 2))
# print(Math.sub(10, 2))
# # BASE CLASS
# class User:
# def __init__(self, first_name, last_name, age):
# self.first_name = first_name
# self.last_name = last_name
# self.age = age
# def __str__(self):
# return f"{self.first_name} {self.last_name}"
# def info(self):
# print(f"My name is {self.first_name} {self.last_name}")
# def login(self):
# print(f"{self.first_name} has logged in.")
# def logout(self):
# print(f"{self.first_name} has logged out.")
# # SUB CLASS
# class Moderator(User):
# def login(self):
# print(f"A mod has logged in")
# print(f"{self.first_name} has logged in.")
# def create_group(self, group_name):
# print(f"{group_name} has been created.")
# john = User("John", "Doe", 25)
# jack = Moderator("Jack", "Smith", 20)
# john.login()
# jack.login()
# jack.create_group("Python")
# class User:
# def __init__(self, name, email, password):
# self.first_name = name
# self.email = email
# self._password = User.validate_password(password)
# @classmethod
# def validate_password(cls, password):
# pass
# def get_password(self):
# print(self._password)
# def set_password(self, new_password):
# if len(new_password) < 8:
# raise ValueError("Password has to above 8 characters")
# if new_password.find(" ") > 0:
# raise ValueError("Password cannot contain spaces")
# self._password = new_password
# @property
# def password(self):
# return self._password
# @password.setter
# def password(self, new_password):
# if len(new_password) < 8:
# raise ValueError("Password has to above 8 characters")
# if new_password.find(" ") > 0:
# raise ValueError("Password cannot contain spaces")
# self._password = new_password
# user1 = User("John Doe", "[email protected]", "12345")
# user1.get_password()
# user1.set_password("helloworld")
# print(user1.password)
# try:
# user1.password = "Hello World"
# except Exception as err:
# print(err)
# class User:
# def __init__(self, name, email):
# self.name = name
# self.email = email
# def info(self):
# return f"{self.name} - {self.email}"
# class Moderator(User):
# def __init__(self, name, email, password):
# super().__init__(name, email)
# self.password = password
# user1 = User("John Doe", "[email protected]")
# user2 = Moderator("Jane Doe", "[email protected]", "1234")
# print(user2.password)
# class Human:
# def __init__(self, name):
# self.name = name
# def talk(self):
# print("Hello, how are you?")
# def think(self):
# print(f"{self.name} is thinking")
# class Animal:
# def __init__(self, name):
# self.name = name
# def talk(self):
# print("KAMSKJDNASLKJDNAKJDSLKJDSAN")
# def run(self):
# print(f"{self.name} is running")
# class Mutant(Animal, Human):
# def talk(self):
# print("ARRRRRRRRRRRRR")
# wolverine = Mutant("Logan")
# # wolverine.run()
# # wolverine.think()
# # wolverine.talk()
# print(help(Mutant))
# print(len("hello"))
# print(len([1, 2, 3, 4, 5, 6, 7, 8]))
# print(10 + 10)
# print("10" + "10")
# class Human:
# def __init__(self, name, age):
# self.name = name
# self.age = age
# def __str__(self):
# return self.name
# def info(self):
# return f"{self.name} is {self.age} years old."
# def __len__(self):
# return self.age
# def __add__(self, another_human):
# if isinstance(another_human, Human):
# return Human("New Born", 0)
# else:
# raise Exception("This is sick!")
# class Animal:
# pass
# tom = Animal()
# john = Human("John Doe", 20)
# jane = Human("Jane Doe", 21)
# print(len(john))
# print(john + jane)
# def my_for(iterable):
# iterator = iter(iterable)
# while True:
# try:
# print(next(iterator))
# except StopIteration:
# break
# def my_map(func, iterable):
# iterator = iter(iterable)
# while True:
# try:
# func(next(iterator))
# except StopIteration:
# break
# # my_for([1, 34, 23, 14, 5])
# my_map(lambda num: print(num * num), [1, 2, 3, 4])
class Counter:
def __init__(self, start, end, step=1):
self.start = start
self.end = end
self.step = step
def __iter__(self):
return self
def __next__(self):
if self.start <= self.end:
num = self.start
self.start += self.step
return num
else:
raise StopIteration
c = Counter(0, 100, 5)
r = range(0, 10)
for num in c:
print(num)
Scratchpad #12
# def count_to(max):
# count = 1
# while count <= max:
# yield count
# count += 1
# counter = count_to(5)
# print(next(counter))
# print(next(counter))
# print(next(counter))
# print(next(counter))
# print(next(counter))
# print(next(counter))
# print(next(counter))
# print(next(counter))
# def fib_list(max):
# nums = []
# a, b = 0, 1
# while len(nums) < max:
# nums.append(b)
# a, b = b, a + b
# return nums
# # print(fib_list(100000))
# def fib_gen(max):
# a, b = 0, 1
# count = 0
# while count < max:
# a, b = b, a + b
# yield a
# count += 1
# for num in fib_gen(100000):
# print(num)
# from time import time
# # list_start_time = time()
# # print(sum([num for num in range(1000000000)]))
# # list_end_time = time() - list_start_time
# gen_start_time = time()
# print(sum(num for num in range(1000000000000000000)))
# gen_end_time = time() - gen_start_time
# # print(f"List comp took {list_end_time}")
# print(f"Gen Exp took {gen_end_time}")
# def math(a, b, fn):
# def random_num():
# return 5
# return fn(a, random_num())
# print(math(10, 5, lambda a, b: a - b))
# # Higher order function
# def sum(n, func):
# total = 0
# for num in range(1, n + 1):
# total += func(num)
# return total
# # callback function
# def square(n):
# return n * n
# # callback function
# def cube(n):
# return n * n * n
# print(sum(10, cube)) # callback
# import random
# # Higher order function
# def greet(person):
# def get_mood():
# mood = ["Hey", "What!", "What the heck do you want!", "Get lost!"]
# msg = random.choice(mood)
# return msg
# result = f"{get_mood()} {person}"
# return result
# # print(greet("John"))
# # print(greet("John"))
# # print(greet("John"))
# # print(greet("John"))
# import random
# # Function factory
# def make_greet_func(person):
# def make_message():
# msg = random.choice(
# ["Hello", "What!", "What the heck do you want!", "Get lost!"]
# )
# return f"{msg} {person}"
# return make_message
# greet_john = make_greet_func("John")
# greet_jane = make_greet_func("Jane")
# print(greet_john())
# print(greet_jane())
# def stars(fn):
# def wrapper():
# print("*" * 10)
# fn()
# print("*" * 10)
# return wrapper
# @stars # say_hello = stars(say_hello)
# def say_hello():
# print("Hello World")
# # @classmethod # test = classmethod(test)
# # def test():
# # pass
# say_hello()
def stars(fn):
"""Will add 10 stars to the top and bottom"""
def wrapper(*args, **kwargs):
"""Internal wrapper function.
This is what you will actually use
"""
print("*" * 10)
fn(*args, **kwargs)
print("*" * 10)
return wrapper
@stars
def say_hello(name):
"""Will say hello to whoever"""
print(f"Hello, {name}")
@stars
def say_hello2(name, message):
"""Will say whatever to whoever"""
print(f"{message}, {name}")
print(say_hello2.__doc__)
Scratchpad #13
# # from functools import wraps
# def stars(fn):
# """Will add 10 stars to the top and bottom"""
# @wraps(fn)
# def wrapper(*args, **kwargs):
# """
# Internal wrapper function. This is what you will actually use
# """
# print("*" * 10)
# fn(*args, **kwargs)
# print("*" * 10)
# return wrapper
# @stars
# def say_hello(name):
# """Will say hello to whoever"""
# print(f"Hello, {name}")
# @stars
# def say_hello2(name, message):
# """Will say whatever to whoever"""
# print(f"{message}, {name}")
# print(say_hello.__doc__)
# @decorator("hello")
# def func():
# pass
# func = decorator(func)
# from functools import wraps
# def ensure_first_arg(val):
# def inner(fn):
# def wrapper(*args, **kwargs):
# if args and args[0] != val:
# print(f"First arg should be {val}")
# else:
# return fn(*args, **kwargs)
# return wrapper
# return inner
# @ensure_first_arg("inception")
# def fav_movies(*movies):
# print(movies)
# # fav_movies = ensure_first_arg("inception")(fav_movies)
# fav_movies("inception", "blood diamond", "shutter island", "the beach")
# def enforce(*types): # (str, int)
# def inner(fn): # announce
# def wrapper(*args, **kwargs): # (10, 10)
# new_args = []
# for a, t in zip(args, types): # [(10, str), (10, int)]
# print(a, t)
# try:
# new_args.append(t(a)) # int(10)
# except (ValueError, TypeError) as e:
# return "Something went wrong"
# return fn(*new_args)
# return wrapper
# return inner
# # @enforce(str, int)(annouce)
# @enforce(str, int)
# def announce(msg, times):
# print((msg + "\n") * times)
# announce(10, "pachas")
# from pprint import pprint
# users = [
# {"name": "John Doe", "age": 19, "phone": 12345},
# {"name": "John Doe", "age": 19, "phone": 12345},
# {"name": "John Doe", "age": 19, "phone": 12345},
# {"name": "John Doe", "age": 19, "phone": 12345},
# ]
# pprint(users)
# import random
# from random import randint
# print(randint(10, 100))
# import random
from random import randint as rai, choice as ch
# import random as r
# from random import *
print(rai(0, 10))
print(ch(["hello", "world", "universe"]))
Scratchpad #14
# file = open("test.txt")
# print(file.read())
# file.close()
# file = open("test.txt")
# with open("test.txt", "r") as file:
# print(file.read())
# print(file.closed)
# print(file.closed)
# with open("test.txt", "w") as f:
# f.write("Hello World\n")
# f.write("Hello Galaxy\n")
# f.write("Hello Universe\n")
# with open("test.txt", "w") as file:
# file.write("Hello" * 100)
# with open("test.txt", "a") as file:
# file.write("\n\nThis is some additional text\n")
# with open("test.txt", "r+") as file:
# file.write("NAMESTE \nPYTHON")
# # file.seek(40)
# # file.write("THIS IS A PYTHON IO OPERATION")
# message = "Hello World\nThis is another line\nThis is one more line\nHello Universe\nHello Pythom"
# message = """Hello World
# This is another line
# This is one more line
# Hello Universe
# Hello Python"""
# print(message)
# with open("test.txt", "r") as file:
# data = file.read()
# data = data.replace("Hello", "Namaste")
# with open("test.txt", "w") as file:
# file.write(data)
### TASKS
# 1. search_and_replace(file, search_term, replace_term)
# 2. get_stats(file) # return {"words": 100, "chars": 100, "lines": 100}
# 3. duplicate_file(file, new_name)
# 4. read_csv -> iterator object
# 5. random_int(max) -> int
# with open("test.csv") as file:
# data = file.readlines()
# filtered_data = []
# final_data = []
# for row in data:
# filtered_data.append(row.replace("\n", ""))
# for row in filtered_data:
# final_data.append(row.split(","))
# print(final_data)
from csv import reader, DictReader, writer, DictWriter
# with open("test.csv") as file:
# data = reader(file)
# # print(list(data))
# next(data)
# for row in data:
# print(row)
# with open("test.csv") as file:
# # data = DictReader(file, delimiter="|")
# data = DictReader(file)
# # print(list(data))
# total = 0
# for row in data:
# total += int(row["phone"])
# print(total)
# with open("marvel_movies.csv", "w") as file:
# csv_writer = writer(file)
# csv_writer.writerow(["name", "rating"])
# csv_writer.writerow(["Spider man - No way home", 1.5])
# csv_writer.writerow(["Doctor Strange", 1.3])
# csv_writer.writerow(["Desh Drohi", 5])
# with open("marvel_movies.csv", "w") as file:
# headers = ["name", "rating"]
# csv_writer = DictWriter(file, fieldnames=headers)
# csv_writer.writeheader()
# csv_writer.writerow({"name": "Thor", "rating": 3})
# csv_writer.writerow({"name": "Suryavanshi", "rating": 1})
# csv_writer.writerow({"name": "Pushpa", "rating": 3.4})
# with open("governors_county.csv") as file:
# data = reader(file)
# total_votes = 0
# with open("indiana_county.csv", "w") as file:
# csv_writer = writer(file)
# for row in data:
# if row[0] == "Indiana":
# csv_writer.writerow(row)
# for row in data:
# if row[0] == "Indiana":
# # print(row[0], row[3])
# total_votes += int(row[3])
# print(total_votes)
# with open("governors_county.csv") as file:
# data = reader(file)
# total_votes = 0
# with open("indiana_county.csv", "w") as file:
# csv_writer = writer(file)
# csv_writer.writerow(
# ["state", "county", "current_votes", "total_votes", "percent"]
# )
# for row in data:
# if row[0] == "Indiana":
# csv_writer.writerow(row)
import pickle
class User:
def __init__(self, name, age):
self.name = name
self.age = age
def introduce(self):
print(f"My name is {self.name} and I am {self.age} years old")
user1 = User("John Doe", 20)
user2 = User("Jane Doe", 25)
# user1.introduce()
# user2.introduce()
# with open("users.pickle", "wb") as file:
# pickle.dump((user1, user2), file)
with open("users.pickle", "rb") as file:
user1, user2 = pickle.load(file)
# print(user1)
user1.introduce()
user2.introduce()
Scratchpad #15
# import json
# import jsonpickle
# class User:
# def __init__(self, name, age):
# self.name = name
# self.age = age
# def introduce(self):
# print(f"My name is {self.name} and I am {self.age} years old")
# user1 = User("John Doe", 20)
# user2 = User("Jane Doe", 25)
# # print(json.dumps(user1.__dict__))
# # jsontest = jsonpickle.encode((user1, user2))
# # print(jsontest)
# with open("data.json", "w") as file:
# stored = jsonpickle.encode((user1, user2))
# file.write(stored)
# # with open("data.json") as file:
# # contents = file.read()
# # restored = jsonpickle.decode(contents)
# # print(restored)
# # restored.introduce()
import re
# pattern = re.compile(r"\d{3}\s\d{4}-?\d{4}")
# text = "Call us on 022 2334-2323 or 022 12341234"
# # result = pattern.search(text)
# result = pattern.findall(text)
# # print(result.group())
# print(result)
# def validate_phone(num):
# """Validates a phone number. ex. pattern - 022 2312 2133"""
# # pattern = re.compile(r"^\d{3}\s\d{4}-?\d{4}$")
# pattern = re.compile(r"\d{3}\s\d{4}-?\d{4}")
# match = pattern.fullmatch(num)
# if match:
# return True
# else:
# return False
# validate_phone()
# # print(validate_phone("Call us on 022 2334-2323 or 022 12341234"))
# print(validate_phone("022 2334-2323"))
# TASK
################## Bank
# name: str
# initial: str
# address: str
# phone_nos: str[]
# total_customers: Customer[]
# total_balance: float
# customers_count: int
# get_bank_info() -> {name: str, initial: str, address: str, phone_nos: str[], customers_count: int}
# get_customers_list() -> Customer[]
# find_customer_by_acc_no(acc_no) -> Customer
# find_customers_by_name(name) -> Customer[]
# export_customers_as_csv(path) -> void
# export_customers_as_json(path) -> void
# add_new_customer() -> Customer
# // new_cust = Customer("frst", "doe", bank=self)
# // total_customers.append(new_cust)
# // customers_count += 1
# // return new_cust
# __repr__() / __str__()
################## Customer
# first_name: str
# last_name: str
# dob: str // @requires_validation YYYY-mm-dd
# phone_no: str
# address: str
# aadhaar_card_no: str // @requires_validation
# pan_card_no: str // @requires_validation
# nominee_list: {name: str, phone: str, address:str, dob: str}[]
# account_no // generated using gen_acc_no()
# balance: float // default 0
# bank: Bank
# __repr__() / __str__()
# deposit(amt: float) -> float
# // print - "Previous balance: Rs. {}, Current balance: Rs. {}"
# withdraw(amt: float) -> float
# // print - "Previous balance: Rs. {}, Current balance: Rs. {}"
# // check balance then return or else raise exception
# get_info() -> dict
# get_balance() -> float
# change_name(new_fist_name: str, new_last_name: str) -> bool
# change_phone_no(new_no: str) -> bool
# change_address(new_address: str) -> bool
###################### helpers.py
# def gen_acc_no(initials, no_count) -> str // sbi-8888888800
# --------------------------------------------------------
# from helpers import gen_acc_no
# class Customer:
# def __init__(self, bank_initials, first_name, last_name, ....):
# self.first_name = first_name
# self.last_name = last_name
# self.account_no = gen_acc_no(bank_inital, 10)
# sbi = Bank(...)
# john = sbi.add_new_customer(...)
# please check all arguments
# raise exceptions
# all functions should have docstring
# Customer.py
# Bank.py
# helpers.py
Scratchpad #16
# import sqlite3
# data = ("john", "doe", 25)
# data_list = [("jack", "smith", 35), ("jane", "doe", 33), ("jill", "mehta", 45)]
# conn = sqlite3.connect("bank.db")
# c = conn.cursor()
# # c.execute("CREATE TABLE customers (first_name TEXT, last_name TEXT, age INTEGER);")
# # c.execute("INSERT INTO customers VALUES ('salman', 'khan', 52);")
# query = """INSERT INTO customers VALUES (?, ?, ?);"""
# # c.execute(query, data)
# # c.executemany(query, data_list)
# for row in data_list:
# print(f"Writing {row[0]} to database...")
# c.execute(query, row)
# conn.commit()
# conn.close()
# from pymongo import MongoClient
# client = MongoClient("mongodb://127.0.0.1:27017")
# db = client.bankapp2
# coll = db["customers"]
# doc = {"firstName": "John", "lastName": "Doe", "age": 25}
# docs = [
# {"firstName": "Jack", "lastName": "Smith", "age": 34},
# {"firstName": "Jill", "lastName": "Mehta", "age": 43},
# {"firstName": "Jane", "lastName": "Webb", "age": 21},
# ]
# coll.insert_one(doc)
# coll.insert_many(docs)
# query = {"age": {"$gt": 30}}
# search_res = coll.find(query)
# for res in search_res:
# print(res)
# # print(list(search_res))
# coll.delete_many({"age": {"$gt": 30}})
# client.drop_database("bankapp2")
# from selenium import webdriver
# from selenium.webdriver.common.keys import Keys
# from time import sleep
# browser = webdriver.Chrome(
# r"/home/rahul/Desktop/Class/Python/oct_31_2021_sundays/scratchpads/chromedriver"
# )
# browser.maximize_window()
# browser.get("https://www.youtube.com/")
# sleep(3)
# search_box = browser.find_element_by_xpath(
# "/html/body/ytd-app/div/div/ytd-masthead/div[3]/div[2]/ytd-searchbox/form/div[1]/div[1]/input"
# )
# search_box.click()
# sleep(1)
# search_box.send_keys("batman movie trailer", Keys.ENTER)
# sleep(30)
# video = browser.find_element_by_partial_link_text("THE BATMAN")
# sleep(1)
# video.click()
# sleep(30)
# browser.get()
# browser.close()
from selenium import webdriver
from selenium.webdriver.common.keys import Keys
from time import sleep
browser = webdriver.Chrome(
r"/home/rahul/Desktop/Class/Python/oct_31_2021_sundays/scratchpads/chromedriver"
)
browser.maximize_window()
browser.get("https://web.whatsapp.com")
sleep(15)
search_box = browser.find_element_by_xpath(
"/html/body/div[1]/div[1]/div[1]/div[3]/div/div[1]/div/label/div/div[2]"
)
sleep(1)
search_box.click()
sleep(2)
search_box.send_keys("PYTHON SUN RS 24", Keys.ENTER)
sleep(2)
msg_box = browser.find_element_by_xpath(
"/html/body/div[1]/div[1]/div[1]/div[4]/div[1]/footer/div[1]/div/span[2]/div/div[2]/div[1]/div/div[2]"
)
sleep(1)
msg_box.click()
sleep(2)
for i in range(20):
msg_box.send_keys(f"SPAM MESSAGE {i + 1}", Keys.ENTER)
sleep(20)
browser.close()
# class Bank:
# def __init__(self):
# self.total_customers = []
# def create_customer(self):
# cus = Customer()
# self.total_customers.append(cus)
# return
# sbi = Bank("")
# sbi.create_customer("Asdnakjsdnkjsad")