from random import choice

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

players = ['Harry', 'Hermione', 'Neville', 'Ginny']
pool= int(len(players)/2)
print (pool)

def add_player_to_team(team):
  for i in range(0,pool):
    player_picked = choice(players)
    team.append(player_picked)
    players.remove(player_picked)

# Add a player to each team
add_player_to_team(teamA)
add_player_to_team(teamB)
print (teamA)
print (teamB)