< Section 7<\/a> | Section 9 ><\/a><\/p>\n https:\/\/www.udemy.com\/complete-python-bootcamp\/learn\/lecture\/9478286#questions<\/a><\/p>\n Object Oriented Programming (OOP) allows programmers to create their own objects that have4 methods and attributes. Recall that after defining a string, list, dictionary or other objects, you are able to call methods off them with the .method_name() syntax.<\/p>\n These methods act as functions that use information about the object, as well as\u00a0 the object itself to return results, or change the current object.<\/p>\n OOP allows users to create their own objects. In general, OOPs allows us to create code that is repeatable and organized.<\/p>\n For much larger scripts of Python code, functions by themselves aren’t enough for organization and repeatability.\u00a0 Commonly repeated tasks and objects can be defined with OOP to create code that is more usable.<\/p>\n Objects are defined using the ‘class’ keyword. Objects are often called ‘classses’<\/p>\n Allows you to create an instance of the actual object.<\/p>\n Functions that support the object. Use these methods to interact with the object.<\/p>\n https:\/\/www.udemy.com\/complete-python-bootcamp\/learn\/lecture\/9478292#questions<\/a><\/p>\n TypeError: __init__() missing 1 required positional argument: ‘breed’<\/p>\n __main__.Dog<\/p>\n ‘Lab’<\/p>\n https:\/\/www.udemy.com\/complete-python-bootcamp\/learn\/lecture\/9478294#questions<\/a><\/p>\n These allow you to define attributes that are standard or shared among all instances of the object vs. attributes that are specific to each object.<\/p>\n <\/p>\n Functions associated with an object.<\/p>\n Woof! My name is Shotgun\n
Introduction<\/h1>\n
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Class<\/h2>\n
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class NameOfClass():<\/pre>\n
__init__ method<\/h2>\n
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def __init__(self, param1, param2, ...):\r\n self.param1 = param1\r\n self.param2 = param2<\/pre>\n
Object methods<\/h2>\n
def some_method(self):\r\n #do some stuff<\/pre>\n
Attributes and Class Keyword<\/h1>\n
Simplest Class<\/h2>\n
class Sample():\r\n pass<\/pre>\n
__init__ constructor<\/h2>\n
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class Dog():\r\n def __init___(self, breed):\r\n self.breed = breed<\/pre>\n
my_dog = Dog()<\/pre>\n
my_dog = Dog(breed='Lab')\r\ntype(my_dog)<\/pre>\n
my_dog.breed<\/pre>\n
Class Object Attributes and Methods<\/h1>\n
Class Object Example<\/h3>\n
class Dog():\r\n # Class Object Attributes\r\n # These are the same for any instance of the class.\r\n # note that the 'self' keyword is NOT used here.\r\n species = 'mammal'\r\n\r\n def __init___(self, breed, name):\r\n self.breed = breed<\/pre>\n
Methods<\/h2>\n
def bark(self, number):\r\n for i in range(0,number):\r\n print(\"Woof! My name is {}\".format(self.name))\r\n print(\"I am a {}.\".format(self.species))\r\n print(\"I am a {}.\".format(Dog.species))<\/pre>\nmy_dog = Dog('Lab', 'Shotgun')\r\nmy_dog.bark(2)<\/pre>\n
\nWoof! My name is Shotgun
\nI am a mammal.
\nI am a mammal.<\/p>\nInheritance and Polymorphism<\/h1>\n