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 ...

Use Python lists to store data in one-dimensional rows, access them by indexes, and sort them any which way you like.

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.

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