You are creating a password generator that will create all possible passwords meeting a certain criterion. To do this you will edit the Python program allPermutationsSetLength.py to print out all possible passwords for the following criteria:

a$.$ Password must be $8$ characters long. Can be comprised of any arrangement of numbers and letters. How many potential passwords can be created? Explain$/$show your work.

b$.$ Password must be $8$ characters long. Can be comprised of any arrangement of numbers, letters, and the following four special characters $(!,$ $$,*,\_,-).$ How many potential passwords can be created? Explain$/$show your work.