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python - 我可以浓缩这个吗？

问题描述

invalid_characters = ["1","2","3","4","5","6","7","8","9","0"]
vowels = ["a","e","i","o","u"]

letter = str(input("Enter a letter: "))
while letter in invalid_characters:
    letter = input("You entered an invalid character. Please enter a letter: ")
if letter in vowels:
    print("The letter is a vowel")
else:
    print("The letter is a consonant")

标签： python

解决方案

如果你的意思是你想让你的代码更短，试试这个：

vowels = "aeiou"

letter = str(input("Enter a letter: "))
while letter.isdigit():
    letter = input("You entered an invalid character. Please enter a letter: ")
if letter in vowels:
    print("The letter is a vowel")
else:
    print("The letter is a consonant")

但是，请记住，如果您输入“$”或任何其他特殊符号，它会说它是一个辅音。

如果你想让它更快一点，就像让-弗朗索瓦·法布尔提到的那样，你可以使用一组来in加快速度。

vowels = set("aeiou")

letter = str(input("Enter a letter: "))
while letter.isdigit():
    letter = input("You entered an invalid character. Please enter a letter: ")
if letter in vowels:
    print("The letter is a vowel")
else:
    print("The letter is a consonant")

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