编写从Swift到Python的基本学校作业示例，并且在简化方面遇到了麻烦

Question

我从学校学习编码。上个学期学习Python，与它没有很好地融合，但我想学习它。在这个学期学习Swift并且它是有意义的，所以我一直在尝试使用我在Swift中学到的东西来理解Python。到目前为止，这种方法一直在帮助我。

我所做的一个Swift任务是制作一个简单的程序来在飞镖游戏中得分。它如下：

//Swift example
var myTotalScore = 501
var roundDartPoints = 0
var hisTotalScore = 501

roundDartPoints += 6
roundDartPoints += 8
roundDartPoints += 9
var hisDarts = 17+19+32

func resetRoundScore() {
    roundDartPoints = 0
    hisDarts = 0
}
func addAllToTotal() {
    myTotalScore -= roundDartPoints
    hisTotalScore -= hisDarts
}

addAllToTotal()

print("You don't seem to be any good at this. You're only at \(myTotalScore) points. I'm already at \(hisTotalScore).")

resetRoundScore()

roundDartPoints += 9
roundDartPoints += 8
roundDartPoints += 12
hisDarts = 43+29+18

addAllToTotal()

print("Ha! It's almost like you're this bad on purpose. You'll lose for sure now. You're at \(myTotalScore) points and I'm at \(hisTotalScore).")

resetRoundScore()

roundDartPoints += 60
roundDartPoints += 60
roundDartPoints += 60
hisDarts = 22+30+3

addAllToTotal()

print("Oh. I get it now: you were going easy on me. \(myTotalScore) to \(hisTotalScore). Good game!")

我试图在Python中做同样的事情，但是无法将分数添加到总数并重置飞镖计数。我用了def函数。这不起作用，因为在该结构中定义的内容似乎不可用于它之外。

所以，我在Python 3中复制了这个任务，我知道如何：

#python example
myTotalScore = 501
roundDartPoints = 0
hisTotalScore = 501

roundDartPoints += 6
roundDartPoints += 8
roundDartPoints += 9
hisDarts = 17+19+32

myTotalScore -= roundDartPoints
hisTotalScore -= hisDarts

print(f"You don't seem to be any good at this. You're only at {myTotalScore} points. I'm already at {hisTotalScore}.\n")

roundDartPoints = 0

roundDartPoints += 9
roundDartPoints += 8
roundDartPoints += 12
hisDarts = 43+29+18

myTotalScore -= roundDartPoints
hisTotalScore -= hisDarts

print(f"Ha! It's almost like you're this bad on purpose. You'll lose for sure now. You're at {myTotalScore} points and I'm at {hisTotalScore}.\n")

roundDartPoints = 0

roundDartPoints += 60
roundDartPoints += 60
roundDartPoints += 60
hisDarts = 22+30+3

myTotalScore -= roundDartPoints
hisTotalScore -= hisDarts

print(f"Oh. I get it now: you were going easy on me. {myTotalScore} to {hisTotalScore}. Good game!")

编辑：对不起，我刚才意识到我发送的太快了。

所以我的问题如下：我能做些什么来简化它？如果我可以在Python中定义函数并像在Swift中那样使用它们，我就没有问题，但是由于我必须重复相同的代码行。

Answer 1

你的python函数要么明确地说它使用global变量，要么return值。

例如，使用全局变量：

def resetRoundScore():
    global roundDartPoints, hisDarts
    roundDartPoints = 0
    hisDarts = 0

def addAllToTotal():
    global myTotalScore, hisTotalScore, roundDartPoints, hisDarts
    myTotalScore -= roundDartPoints
    hisTotalScore -= hisDarts

并返回：

def tallyScore( my_points, his_points, my_score, his_score ):
    my_score -= my_points
    his_score -= his_points
    return my_score, his_score

...

myTotalScore, hisTotalScore = tallyScore( roundDartPoints, hisDarts, myTotalScore, hisTotalScore )