不区分大小写的用户输入字符串 [英] Case insensitive user input strings

问题描述

哪个函数用于使用户输入字符串不区分大小写?

Which function to use for making user input strings case insensitive?

correctAnswer = "London"

userGuess = input("What is the capital of  Great Britain?: ")

if userGuess == "London":
    print("Correct!")
else:
    print("Wrong")

我在字符串后尝试了以下函数:

I have tried the following functions after the string:

.lower()
.capitalize()
.casefold()

输出仍然是错误的"，尽管输入时答案应该是正确的:
- 伦敦
- 伦敦
- 伦敦

The output is still 'wrong' although the answer should be correct when input is:
- london
- lOndoN
- loNDON

等等..

推荐答案

在您的字符串比较中，正确答案本身的第一个字母大写.

In your string comparison, the correct answer itself had the first letter capitalized.

correctAnswer = "london"

userGuess = input("What is the capital of  Great Britain?: ").lower()

if userGuess == correctAnswer:
    print("Correct!")
else:
    print("Wrong")

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