我对python和一般的编程都是新手，我正在尝试写一个简单的游戏，使用随机生成的口袋妖怪，玩家和电脑的能力，谁拥有最高的能力谁就赢。
我面临的问题是，我不知道如何让分数更新后，每一轮没有重置回0。我希望游戏继续无限，直到球员输了，并增加了一个分数每一轮。
有人能帮忙吗？这是当前代码：

import random
import requests

def random_pokemon():
    pokemon_number = random.randint(1, 151)
    url = 'https://pokeapi.co/api/v2/pokemon/{}/'.format(pokemon_number)
    response = requests.get(url)
    pokemon = response.json()
    return {
        'name': pokemon['name'],
        'Pokedex ID': pokemon['id'],
        'Height': pokemon['height'],
        'Weight': pokemon['weight'],
    }

def random_move():
    pokemon_move = random.randint(1,844)
    url = 'https://pokeapi.co/api/v2/move/{}/'.format(pokemon_move)
    response = requests.get(url)
    move = response.json()
    return {
       'name': move['name'],
       'power': move['pp'],
    }

score = 0

def add_to_score():
    global score
    score =+ 1

def current_score():
    global score

def run():

    player_pokemon = random_pokemon()
    print('Your Pokemon is {}'.format(player_pokemon['name']))
    player_move = random_move()
    print('Your move is {}'.format(player_move['name']))

    opponent_pokemon = random_pokemon()
    print('The opponents Pokemon is {}'.format(opponent_pokemon['name']))
    opponent_move = random_move()
    print('The opponents move is {}'.format(opponent_move['name']))

    player_stat = player_move['power']
    opponent_stat = opponent_move['power']

    print('Your Stat is {}'.format(player_stat))
    print('The opponents Stat is {}'.format(opponent_stat))

    if player_stat > opponent_stat:
        print('You Win! Congratulations!\n')
        print('Your score is {}'.format(add_to_score()))
        run()

    elif player_stat < opponent_stat:
        print('You Lose! Better Luck Next Time!')

    elif player_stat == 'None':
        print('You Lose! Better Luck Next Time!')

    elif opponent_stat == 'None':
        print('You Win! Congratulations!\n')
        print('Your score is {}'.format(add_to_score()))
        run()

    else:
        print('Its a Tie!\n')
        print('Your score is {}'.format(current_score()))
        run()


run()

我试过在run（）函数中加入score函数，但结果还是一样。就像我说的，我对这一切都是全新的，所以如果有人能帮助我，我将不胜感激！