Rock-paper-scissors

DICT = {'scissors': 0, 'rock': 1, 'paper':2}

def play(a,b):
  return ['Tie', 'Player 1 wins', 'Player 2 wins'][(DICT[a] - DICT[b]) % 3]

def get_input(player_name):
  return input(f'{player_name} (Enter rock, paper or scissors): ').strip().lower()

result = 'Tie'

while result == 'Tie':
  player1 = get_input('Player 1')
  player2 = get_input('Player 2')

  result = play(player1, player2)

  print(result)