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python之这些代码行是做什么的 (运动模拟)

2025年05月04日30tintown

我们在计算机科学课上进行一项事件,我无法理解几行代码的含义。

这是初始代码(对于您可能需要的任何背景信息)。

class SportsMatch(object): 
     def __init__(self, teamA="Team A", teamB="TeamB"): 
          self.teamA = teamA 
          self.scoreA = 0 
          self.teamAScorePoints = 1 
 
          self.teamB = teamB 
          self.scoreB = 0 
          self.teamBScorePoints = 1 
 
     def setScorePoints(self, teamAScorePoints=1, teamBScorePoints=1): 
          self.teamAScorePoints = teamAScorePoints 
          self.teamBScorePoints = teamBScorePoints 
 
     def whoWins(self): 
          if (self.scoreA < self.scoreB): 
               print(self.teamB+" win the game!") 
          elif (self.scoreA > self.scoreB): 
               print(self.teamA+" win the game!") 
          else: 
               print("Tie score") 
 
     def teamAScores(self): 
          self.scoreA = self.scoreA + self.teamAScorePoints 
 
     def teamBScores(self): 
          self.scoreB = self.scoreB + self.teamBScorePoints 

然后,我们应该考虑以下代码并弄清楚每一行代码的作用:

s = SportsMatch("Chargers", "Raiders") 
s.setScorePoints(1, 2) 
s.teamAScores() 
s.teamBScores() 
s.teamAScores() 
s.teamBScores() 
s.whoWins() 

我有一个大致的了解,但我的老师希望我们更具体一些。我也知道第二行是用参数 1 和 2 调用的,但我不确定这些数字如何影响代码的其余部分。如果有人能帮我解释一下这最后几行代码,将不胜感激!

请您参考如下方法:

设置初始变量:

self.teamX = teamX        # setting name 
self.scoreX = 0           # initial score 
self.teamAXcorePoints = 1 # score increment 

这两个是分数增量:

self.teamAScorePoints = 1 
self.teamBScorePoints = 1 

此处用于增加每个团队的分数:

def teamAScores(self): 
    self.scoreA = self.scoreA + self.teamAScorePoints 
def teamBScores(self): 
    self.scoreB = self.scoreB + self.teamBScorePoints 

现在流程:

s = SportsMatch("Chargers", "Raiders") # defining the match 
s.setScorePoints(1, 2)                 # setting initial score increments 
s.teamAScores()                        # team A scores 1 point 
s.teamBScores()                        # team B scores 2 points 
s.teamAScores()                        # team A scores another 1 point 
s.teamBScores()                        # team B scores another 2 points 
s.whoWins()                            # prints winner