What does __init__ mean?

Answer 1

it's just a standard name for a method that allow you to istantiate an object of a certain class. Technically is the "Constructor" of a class

Answer 2

This is a special type of method in a class.
This method is called constructor
When an instance or class is created then this method is invoked first.
Mainly used to initiate the fields or variables within the class

Answer 3

its a constructor which is automatically called when you create a object of a class.

Answer 4

it's the constructor method

Answer 5

it is a constructor for the given class