Certified Python Developer Learning Resources Classes

Learning Resources


The simplest class possible is shown in the following example.

# Filename: simplestclass.py
class Person:
    pass # An empty block
p = Person()


   $ python simplestclass.py
   <__main__.Person object at 0x019F85F0>

How It Works:

We create a new class using the class statement and the name of the class. This is followed by an indented block of statements which form the body of the class. In this case, we have an empty block which is indicated using the pass statement.

Next, we create an object/instance of this class using the name of the class followed by a pair of parentheses.  For our verification, we confirm the type of the variable by simply printing it. It tells us that we have an instance of the Person class in the __main__ module.

Notice that the address of the computer memory where your object is stored is also printed. The address will have a different value on your computer since Python can store the object wherever it finds space.

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