import random

def PickTeam(number_of_teams, player_names):
    PlayerList = player_names.split(", ")
    random.shuffle(PlayerList)
    teams = [PlayerList[i::number_of_teams] for i in range(number_of_teams)]
    return teams

for team in PickTeam(2, "Billy, Susie, Frank, Luke, Kensie, Jack"):
    print(team)