from random import shuffle
#shuffle function randomises the order of the whole list

players = ['A','B','C','D','F','E','G','H','I','J','K','L','M','N','O','P','Q','R','S','T','U','V','W','X','Y','Z']

teamA2 = []
teamB2 = []
shuffle(players)

if len(players) < 4 :
    print("Error, the minimum required for the game is upper or equal to 4.")
elif len(players) == 0 :
    print("Error, the minimum required for the game is upper or equal to 4.")
else :
    while players != [] :
        teamA2.append(players[-1])
        players.pop(-1)
        teamB2.append(players[-1])
        players.pop(-1)
    print(teamA2)
    print(teamB2)