Methods
You have already come across one special method, the init method. However, the power of classes will start to become more obvious to you as you begin writing your own custom methods. There are three types of methods you will explore in the following sections:
Instance methods
Instance methods are the most common type of method you will need to use. They always take self as the first positional argument. The __init__ method discussed in the previous section is an example of an instance method.
Here is another example of an instance method, extending our Circle class from Exercise 73 – creating a Circle class:
import math
class Circle:
is_shape = True
def __init__(self, radius, color='red'):
self.radius = radius
self...