pick2teams

players=["Harry", "Hermione", "Neville", "Ginny"]

def add_player_to_team(team):
    player_picked=choice(players)
    team.append(player_picked)
    players.remove(player_picked)

# Add a player to each team

loop=(len(players)/2)
while  loop!=0:
    add_player_to_team(teamA)
    add_player_to_team(teamB)
    loop=loop-1

print(teamA)
print(teamB)