Python while循环无法按预期正常运行

Question

max_pool

在while循环中我犯了什么错误？

Answer 1

 choice = " "
 while not (choice  == 'Y' or choice ==  'N') :
      choice = input("Y for Yes or N for No")

请尝试使用此代码

Answer 2

这可能会有所帮助（在语法方面，python3.x令人困惑）：

{
    "id": "132",
    "timestamp": {
        "epochSecond": 1514700142,
        "nano": 213000000
    }
}

Answer 3

“不”与“不等于”不同。改用它，

choice = " "
while choice!='Y' or choice!='N':
    choice = input("Y for Yes or N for No")