python_sandbox/python_sandbox_finished/classes.py at master · pythonminna/python_sandbox

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# A class is like a blueprint for creating objects. An object has properties and methods(functions) associated with it. Almost everything in Python is an object

# Create class

class User:

# Constructor

def __init__(self, name, email, age):

self.name = name

self.email = email

self.age = age

def greeting(self):

return f'My name is {self.name} and I am {self.age}'

def has_birthday(self):

self.age += 1

# Extend class

class Customer(User):

# Constructor

def __init__(self, name, email, age):

self.name = name

self.email = email

self.age = age

self.balance = 0

def set_balance(self, balance):

self.balance = balance

def greeting(self):

return f'My name is {self.name} and I am {self.age} and my balance is {self.balance}'

# Init user object

brad = User('Brad Traversy', 'brad@gmail.com', 37)

# Init customer object

janet = Customer('Janet Johnson', 'janet@yahoo.com', 25)

janet.set_balance(500)

print(janet.greeting())

brad.has_birthday()

print(brad.greeting())

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