ALL IN PYTHON

1. Write a program that requests the user to enter two-part name and then displays the name in the form "lastname, Firstname"

One outcome:

Enter a 2-part name: John Doe

Entered name is: Doe, John

2. Write a program that requests the user to enter a number, then displays the number comma separated.

One outcome: the user enters the number 4000000 The output of your code should be 4,000,000

3. Write a program that counts the number of words in a sentence that is inputted" by the user.