我已經嘗試了所有方法，如果您不選擇“ST”，它會不斷地在 while 循環中循環。我不知道該怎么做，如果有人能告訴我，那將非常有幫助。我在頂部添加了一些上下文的代碼；我只需要有關 while 循環的幫助。我正在使用while循環，所以如果他們沒有選擇給定的位置，他們必須重新選擇。這是我的代碼：pos = input("What Is Your Choice")if pos == "ST": shot = 8 print("Shot Is",shot) passing = 6 print("Passing Is",passing) pace = 6 print("Pace Is",pace) defending = 2 print("Defending Is",defending)if pos == "MID": shot = 6 print("Shot Is",shot) passing = 6 print("Passing Is",passing) pace = 6 print("Pace Is",pace) defending = 4 print("Defending Is",defending)if pos == "DEF": shot = 2 print("Shot Is",shot) passing = 6 print("Passing Is",passing) pace = 4 print("Pace Is",pace) defending = 8 print("Defending Is",defending)if pos == "GK": dive = 7 dist = 8 catch = 7print(pos)while pos != "ST" and "MID" and "DEF" and "GK" and "St" and "Mid" and "Def" and "Gk": print("What Position Do You Want To Play?") time.sleep(1) print("The Options Are..") time.sleep(1) print("ST (Striker)") time.sleep(1) print("MID (Midfielder)") time.sleep(1) print("DEF (Defender)") time.sleep(1) print("GK (Goalkeeper)") time.sleep(1)pos = input("What Is Your Choice")
3 回答
鳳凰求蠱
TA貢獻1825條經驗 獲得超4個贊
這部分是錯誤的：
while pos != "ST" and "MID" and "DEF" and "GK" and "St" and "Mid" and "Def" and "Gk":
pos != "ST"被評估，其余的字符串不與任何東西進行比較。實際上，該部分的評估方式如下：
while (pos != "ST") and ("MID") and ("DEF") and ("GK") and ("St") and ("Mid") and ("Def") and ("Gk"):非空字符串總是True，因此只要pos != "ST"是True，它就永遠不會退出循環。你可能想做的是：
while pos != "ST" and pos != "MID" and pos != "DEF" and pos != "GK" and pos != "St" and pos != "Mid" and pos != "Def" and pos != "Gk":
但是，正如已經指出的評論之一，您可以使用in：
while pos not in {"ST", "MID", "DEF", "GK", "St", "Mid", "Def", "Gk"}:請注意，我在這里使用了一個集合，因為它們提供了更有效的成員資格測試。在這個小例子中可能無關緊要，但它仍然是一個更好的選擇。
慕的地8271018
TA貢獻1796條經驗 獲得超4個贊
while 循環永遠不會完成，因為您的輸入在外部。所以這是工作代碼：
import time
pos = ""
while pos != "ST" and "MID" and "DEF" and "GK" and "St" and "Mid" and "Def" and "Gk":
print("What Position Do You Want To Play?")
time.sleep(1)
print("The Options Are..")
time.sleep(1)
print("ST (Striker)")
time.sleep(1)
print("MID (Midfielder)")
time.sleep(1)
print("DEF (Defender)")
time.sleep(1)
print("GK (Goalkeeper)")
time.sleep(1)
pos = input("What Is Your Choice")
break
if pos == "ST":
shot = 8
print("Shot Is",shot)
passing = 6
print("Passing Is",passing)
pace = 6
print("Pace Is",pace)
defending = 2
print("Defending Is",defending)
if pos == "MID":
shot = 6
print("Shot Is",shot)
passing = 6
print("Passing Is",passing)
pace = 6
print("Pace Is",pace)
defending = 4
print("Defending Is",defending)
if pos == "DEF":
shot = 2
print("Shot Is",shot)
passing = 6
print("Passing Is",passing)
pace = 4
print("Pace Is",pace)
defending = 8
print("Defending Is",defending)
if pos == "GK":
dive = 7
dist = 8
catch = 7
print(pos)
你必須選擇“”，因為它是一個字符串
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