Make a python program that reads the file https://euclid.nmu.edu/~rappleto/Classes/CS202/passwd.txt
and 

1) Creates a new file called users.txt with just the names and uid's in name alphabetic order.

2) Prints any names with uid of 0

3) Finds any duplicate names and prints both them and their uid.

4) Finds any duplicate IDs and prints both them and their name.

Due:  Tue Sep 31