how to make a class in python
class Person:
def __init__(self, _name, _age):
self.name = _name
self.age = _age
def sayHi(self):
print('Hello, my name is ' + self.name + ' and I am ' + self.age + ' years old!')
p1 = Person('Bob', 25)
p1.sayHi() # Prints: Hello, my name is Bob and I am 25 years old!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.widthhow to create an object in python
class ClassName:
self.attribute_1 = variable_1 #Set attributes for all object instances
self.attrubute_2 = variable_2
def __init__(self, attribute_3, attribute_4): #Set attributes at object creation
self.attribute_3 = attribute_3
self.attribute_4 = attribute_4
def method(self): #All methods should include self
print("This is a method example.") #Define methods just like functions
object = Object(4, "string") #Set attribute_3 and attribute_4
object.method() #Methods are called like this.class in python
2+3j
(5, 0, 10)
Traceback (most recent call last):
File "<string>", line 27, in <module>
print(num1.attr)
AttributeError: 'ComplexNumber' object has no attribute 'attr'Copyright © 2021 Codeinu
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