Lists & Functions

A list can also be sent to a function as an argument. So if we pass a list to a function, the function has to handle it like a list. 
Consider the below snippet.

Output is 12.


But if we invoke to the function in below way:

Python will response in below way.

This is caused by the fact that a single integer value mustn't be iterated through by the “for” loop.


A list can also be a result of a function. It mean, any entity recognizable by Python can be a function result.

Consider the below snippet.

Output is