520.Detect Capital

tags: Easy,String

520. Detect Capital

題目描述

We define the usage of capitals in a word to be right when one of the following cases holds:

• All letters in this word are capitals, like "USA".
• All letters in this word are not capitals, like "leetcode".
• Only the first letter in this word is capital, like "Google".

Given a string word, return true if the usage of capitals in it is right.

範例

Example 1:

Input: word = "USA"
Output: true

Example 2:

Input: word = "FlaG"
Output: false

Constraints:

• 1 <= word.length <= 100
• word consists of lowercase and uppercase English letters.

解答

class Solution:
    def detectCapitalUse(self, word: str) -> bool:
        return word.isupper() or word.islower() or word.istitle()

KobeJan 2, 2023

Reference

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