options = ['scissors', 'paper', 'rock']
def isValid(p):
  if p not in options:
    print ('Invalid option, try again: ')
    p = input('Scissors, Paper, or Rock? ')
    p = isValid(p)
  return p
p1 = input('Player 1  Scissors, Paper, or Rock? ').lower().strip(' ,.')
p1 = isValid(p1)
p2 = input('Player 2  Scissors, Paper, or Rock? ').lower().strip(' ,.')
p2 = isValid(p2)
def win1():
  return print ('Player 1 Wins')
def win2():
  return print ('Player 2 Wins')
if p2 == p1:
  print ("tie")
elif p1 == 'rock' and p2 =='scissors':
  win1()
elif p1 =='scissors' and p2 =='paper':
  win1()
elif p1 == 'paper' and p2 == 'rock':
  win1()
else:
  win2()