List Functions

from random import choice
from random import randint
from random import shuffle
from random import sample

def randomSelection(players,teamA,teamB):
    currentTeam = 'A'
    listLength = len(players)
    listNotEmpty = (listLength > 0)
    while listNotEmpty:
        player = choice(players)
        if currentTeam == 'A':
            teamA.append(player)
            currentTeam = 'B'
        else:
            teamB.append(player)
            currentTeam = 'A'

        players.remove(player)
        listLength = len(players)
        listNotEmpty = listLength > 0
    return teamA,teamB

def RandomSelectionMultiple(players,teams):
    currentTeam = 0
    listLength = len(players)
    listNotEmpty = (listLength > 0)
    while listNotEmpty:
        player = choice(players)
        teams[currentTeam].append(player)
        if currentTeam == len(teams) - 1:
            currentTeam = 0
        else:
            currentTeam = currentTeam + 1
        players.remove(player)
        listLength = len(players)
        listNotEmpty = listLength > 0
    return teams

def shufflePlayers(players,teamA,teamB):
    shuffle(players)
    currentTeam = 'A'
    listNotEmpty = len(players) > 0
    while listNotEmpty:
        player = players.pop()
        if currentTeam == 'A':
            teamA.append(player)
            currentTeam = 'B'
        else:
            teamB.append(player)
            currentTeam = 'A'

        listNotEmpty = len(players) > 0
    return teamA,teamB

def ShufflePlayersMultiple(players,teams):
    #shuffle players list
    #for each player remove from players add to current teamlist
    #move to next team in teamlist
    shuffle(players)
    currentTeam = 0
    listNotEmpty = len(players) > 0
    while listNotEmpty:
        player = players.pop()
        teams[currentTeam].append(player)
        if currentTeam == len(teams) - 1:
            currentTeam = 0
        else:
            currentTeam = currentTeam + 1
        listNotEmpty = len(players) > 0
    return teams

def iteratePlayers(players,teamA,teamB):
    for player in players:
        if randint(0,1) == 0:
            teamA.append(player)
        else:
            teamB.append(player)
    return teamA,teamB

def IteratePlayersMultiple(players,teams):
    #itereate through players
    #randomly select a team
    #add player to team
    for player in players:
        team  = randint(0,len(teams)-1)
        teams[team].append(player)
    return teams

def samplePlayers(players,teamA,teamB):
    listLength = int(len(players) / 2)
    teamA = sample(players,listLength)
    for player in players:
        if player not in teamA:
            teamB.append(player)
    return teamA, teamB

def SamplePlayersMultiple(players,teams):
    #for each team
    #take a random sample from players list and adds to team
    #remove sampled players from players list
    listLength = int(len(players)/len(teams))
    for team in range(len(teams)):
        teams[team] = sample(players,listLength)
        for player in teams[team]:
            players.remove(player)
    return teams

def CreateEmptyLists(teams,iTeams):
    for team in range(iTeams):
        teams.append([])
    return teams


#initialise lists
players = ['Alpha','Bravo','Charlie','Delta','Echo','Foxtrot','Golf','Hotel','Indigo','Juliet','Kilo','Lima']
teamA = []
teamB = []

#TWO TEAMS
#teamA,teamB = randomSelection(players,teamA,teamB)
#teamA,teamB = shufflePlayers(players,teamA,teamB)
#teamA,teamB = iteratePlayers(players,teamA,teamB)
#teamA, teamB = samplePlayers(players,teamA,teamB)

#print("Team A: {}".format(teamA))
#print("Team B: {}".format(teamB))


#MULTIPLE TEAMS
iTeams = int(input("Enter number of teams: "))
teams = []
if iTeams > 0:
    teams = CreateEmptyLists(teams,iTeams)
    teams = RandomSelectionMultiple(players,teams)
    #teams = ShufflePlayersMultiple(players,teams)
    #teams = IteratePlayersMultiple(players,teams)
    #teams = SamplePlayersMultiple(players,teams)
print("Teams : {}".format(teams))