declare class python
# To create a simple class:
class Shape:
def __init__():
print("A new shape has been created!")
pass
def get_area(self):
pass
# To create a class that uses inheritance and polymorphism
# from another class:
class Rectangle(Shape):
def __init__(self, height, width): # The constructor
super.__init__()
self.height = height
self.width = width
def get_area(self):
return self.height * self.widthclass attributes in python
class MyClass:
# Class attributes are defined outside of constructor
class_attr = 0
def __init__(self, inst):
# Instance attributes are defined in the constructor
self.instance_attr = inst
obj = MyClass(1)
print(obj.class_attr) # outputs 0
print(obj.instance_attr) # outputs 1
print(MyClass.class_attr) # outputs 0
print(MyClass.instance_attr) # raises AttributeErrorpython class
class Dog(object):
def __init__(self, name, age):
self.name = name
self.age = age
def speak(self):
print("Hi I'm ", self.name, 'and I am', self.age, 'Years Old')
JUB0T = Dog('JUB0T', 55)
Friend = Dog('Doge', 10)
JUB0T.speak()
Friend.speak()python object with attributes
class Object(object):
pass
a = Object()
a.somefield = somevalueCopyright © 2021 Codeinu
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