[LeetCode&Python] Problem 520. Detect Capital
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Given a word, you need to judge whether the usage of capitals in it is right or not.
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 if it has more than one letter, like "Google".
Otherwise, we define that this word doesn‘t use capitals in a right way.
Example 1:
Input: "USA" Output: True
Example 2:
Input: "FlaG" Output: False
Note: The input will be a non-empty word consisting of uppercase and lowercase latin letters.
class Solution(object): def detectCapitalUse(self, word): """ :type word: str :rtype: bool """ n=len(word) if word[0].isupper(): if n>1: if word[1].isupper(): for i in word[2:]: if i.islower(): return False return True else: for i in word[2:]: if i.isupper(): return False return True else: return True else: if n>1: for i in word[1:]: if i.isupper(): return False return True else: return True
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