Fonction python

import random

PIERRE = 0
FEUILLE = 1
CISEAUX = 2

s = 56
random.seed(s)
coup_o= False
a = 1
b = 1
c = 1
d = 1
e = 1

score = 0

coup_j=(a,b,c,d,e)

def scor (coup_o,coup_j):
    coup_o= random.randint(0,2)
    # calculscore
    global score
        if (coup_o,coup_j) == (0,2)  :
        score = score -1
        print (score)
        return score
    elif (coup_o,coup_j) == (1,0):
        score = score -1
        print (score)
        return score
    elif (coup_o,coup_j) == (2,1):
        score = score -1
        print (score)
        return score
            
    if (coup_j,coup_o) == (0,0):
        score = score
        print (score)
        return score
    elif (coup_j,coup_o) == (1,1):
        score = score
        print (score)
        return score
    elif (coup_j,coup_o) == (2,2):
        print (score)
        return score
    
    if (coup_o,coup_j) == (2,0):
     score = score +1
     print (score)
     return score
    elif (coup_o,coup_j) == (0,1):
     score = score +1
     print (score)
     return score
    elif (coup_o,coup_j) == (1,2):
     score = score +1
     print (score)
     return score
    return 

scor (coup_o,coup_j)