create and use python classes
class Mammal:
def __init__(self, name):
self.name = name
def walk(self):
print(self.name + " is going for a walk")
class Dog(Mammal):
def bark(self):
print("bark!")
class Cat(Mammal):
def meow(self):
print("meow!")
dog1 = Dog("Spot")
dog1.walk()
dog1.bark()
cat1 = Cat("Juniper")
cat1.walk()
cat1.meow()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!how to declare a class in python
class ClassName(object): #"(object)" isn't mandatory unless this class inherit from another
def __init__(self, var1=0, var2):
#the name of the construct must be "__init__" or it won't work
#the arguments "self" is mandatory but you can add more if you want
self.age = var1
self.name = var2
#the construct will be execute when you declare an instance of this class
def otherFunction(self):
#the other one work like any basic fonction but in every methods,
#the first argument (here "self") return to the class in which you arehow 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.python object creation
def dump(obj):
for attr in dir(obj):
print("obj.%s = %r" % (attr, getattr(obj, attr)))Copyright © 2021 Codeinu
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