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

#print(players)

teamA = [ ]
teamB = [ ]

def team_selection():

    while len(players) > 0:
        playerA = choice(players)
        #print(playerA)
        teamA.append(playerA)
        players.remove(playerA)
        #print('Players left: ', players)

        if players == [ ]:
            break

        playerB = choice(players)
        #print(playerB)
        teamB.append(playerB)
        players.remove(playerB)
        #print('Players left: ', players)

team_selection()

print(teamA)
print(teamB)