Shell Programming and Scripting

#!/usr/bin/python

# This is an example intended as a guide only and not as a complete solution

teams = {}
with open("test") as f:
    for line in f:
        lname, fname, team = line.rstrip('\n').split(',')[:3]
        if team in teams:
            teams[team].append(" ".join([fname, lname]))
        else:
            teams[team] = [" ".join([fname, lname])]

team_names = "\n".join(sorted(teams))
while True:

    print "=" * len("team names")
    print "Team Names"
    print "=" * len("team names")
    print team_names

    selection = raw_input("Select a team from above list or press q: ")

    if selection == 'q':
        break

    if selection in teams:
        print "Team " + selection + " has the following players:"
        print ", ".join(teams[selection])
    else:
        print "Team " + selection + " not found"