with open('score', 'r+') as file:
    scoreboard = file.read()
    player = 'josh'
    score = 100

    string_for_execution = "score=" + str(scoreboard)
    exec(string_for_execution)

    type(score)

    if player in score.keys():
        print('key found' + player)

    else:
        print('not found')