When the my_function() function is called, you'll see the output from the print() function in the terminal, followed by the return value. The return value, 2, is then saved to the variable my_function ...

When a program runs, the basic I/O (input/output) functions are print, raw_input (), and input (). print One of the most useful tools available in Python is the print function.

list_of_ints = [1, 2, 3] Items in a list do not have to all be the same type; they can be any Python object. In the list below, assume Three is a function: ...

Take advantage of caching and the lru_cache decorator to relieve your Python functions from repetitive heavy lifting.