Any valid variable name can be used in python. In this example, values of PPL D and F are ... This is necessary if you want to work with program results outside the program. I save an int, complex and ...

Learn how Python's dictionary ... repeated indefinitely. The example we see here is called a dictionary literal—a dictionary structure that is hard-coded into the program’s source.

For example, if you want to allow users of a program to create plugins easily that extend the application's functionality, you have to deal with complex dynamic linking ... to create a scripting ...