hex() function is one of the built-in functions in Python3, which is used to convert an integer number into it’s corresponding...

Factorial is a non-negative integer. It is the product of all positive integers less than or equal to that number you ask for factorial....

A permutation is a specific order in which objects can be arranged. For a string of length n, there are n! (n factorial) possible...

This program allows user to define the size of list, then further ask to enter all the numbers of given size. For example, if user enters...

Append() The append() method in python adds a single item to the existing list. It doesn't return a new list of items but will modify the...