问我想不出怎么把我做的骰子游戏的分数存起来。我应该改变什么？

EN

import random

def roll(player):
score = 0
score2 = 0
if player == 1:
    print("Rolling for",P1,"...")
    dice1 = (random.randrange(1,7))
    dice2 = (random.randrange(1,7))
    dietotal = dice1 + dice2
    score = score + dietotal
    dice(dice1)
    dice(dice2)
    print("Your score so far is", score,)
else:
    print("Rolling for",P2,"...")
    dice1 = (random.randrange(1,7))
    dice2 = (random.randrange(1,7))
    dietotal = dice1 + dice2
    score2 = score2 + dietotal
    dice(dice1)
    dice(dice2)
    print("Your score so far is", score2,)

password = 'wrong'
print("Welcome to the dice game!")
P1 = input("What is player 1's name?")
while password != 'right':
    password = input("What is the password?")
    if password == 'password':
        print("Ok", P1,"welcome!")
        password = 'right'
    else:
        print("Password is invalid, try again")

P2 = input("What is player 2's name?")
while password != 'wrong':
    password = input("What is the password?")
    if password == 'password':
        print("Ok", P2,"welcome!")
        password = 'wrong'
    else:
        print("Password is invalid, try again")   

rounds = 0
while rounds != 5:
    print("Its your turn to roll", P1,)
    start = input("Enter roll when you want to")
    while start != 'roll':
            print("This is invalid")
            start = input("Enter roll when you want to")
    else:
        roll(1)

    print("Its your turn to roll", P2,)
    start = input("Enter roll when you want to")
    while start != 'roll':
            print("This is invalid")
            start = input("Enter roll when you want to")
    else:
        roll(2)
        rounds = rounds + 1