from random import choice

teamA = []
teamB = []    # Create two empty lists for teams A and B

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

def add_player_to_team(team):

    for player in players:
        player_picked = choice(players)
        team.append(player_picked)
        players.remove(player_picked)
    print(team)

# Add a player to each team
print("Players in Team_A")
add_player_to_team(teamA)

print("\nPlayers in Team_B")
add_player_to_team(teamB)