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

return bar b = foo(10) print(b(2)) Generators With all this talk of callables, you also should consider what happens with generator functions. Python loves iteration and encourages you to use for ...

Python, JavaScript & C++ examples - Void function, Functions in Programming that require or return a Value discussed in brief for beginners.