GCK/ team_maker function

import random
from random import choice, randint, shuffle

print("Hello I'm gigi your bot, let's play a team maker game")
team1= []
team2= []
players=['Harry','Hermione','Neville','Ginny']
reserve_list=[]
total_number_of_players=len(players)
half_team=len(players)/2
print("My list has "+ str(total_number_of_players) + " players")

"""players_parity counts the number of players in the list and if uneven select a reserve player who
will not be yet in a team
"""
def players_parity():

    if total_number_of_players % 2==0:
        print("all players will play")
    else:
        print("Number of players is uneven, one is randomly added to the reserve list and will play later")
        reserve_player=choice(players)
        reserve_list.append(reserve_player)
        players.remove(reserve_player)
    return players,len(reserve_list)


"""add_player_randomly_to_team(team) will add one player randomly selected to a team
"""
def add_player_randomly_to_team(team):
    mypicked=choice(players)
    team.append(mypicked)
    players.remove(mypicked)
    return team,players

"""add_player_randomly_to_random_team() will add one random player to a random choice of team
"""
def add_player_randomly_to_random_team():
    random_team=randint(0,1)

 #  for i in players: and
    while  len(players)!=0:
        if random_team==0 and len(team1)!=half_team:
           add_player_randomly_to_team(team1)
        elif random_team==1 and len(team2)!=half_team:
           add_player_randomly_to_team(team2)
        elif random_team==0 and len(team1)==half_team:
           add_player_randomly_to_team(team2)
        elif random_team==1 and len(team2)==half_team:
           add_player_randomly_to_team(team1)
    return team1, team2, len(players)

players,reserve_list_size=players_parity()
print(players)
team1, team2, players_left_size=add_player_randomly_to_random_team()
print("Team 1 is "+ str(team1))
print("Team 2 is "+ str(team2))