Describe while loop

Question

Problem:

Question-Repeat problem a,b,c,d with while loops --- ?

Part 1-Using the nested for loops, find the factorials of even numbers between 12 - 2

Part 2-Find the squares of even numbers between – 18 to +18: Design your square function;

Part 3-Find the cubes of odd numbers between – 17 to +17: Design your cube function;

Part 4-Find 4th power of all numbers between – 9 to +9 using one of the above square or cube”

Answer it using the while loop.

Please describe all the question using while loop.