python令单词首字母大写
时间: 2024-10-25 07:02:44 浏览: 17
浅析Python中将单词首字母大写的capitalize()方法
在Python中,如果你想让字符串的每个单词首字母大写,可以使用`title()`函数。这个函数会将每个单词的首字母转换为大写,其余字母转为小写。例如:
```python
sentence = "hello world"
capitalized_sentence = sentence.title()
print(capitalized_sentence) # 输出: Hello World
```
如果你想保持其他字符不变,只是首字母大写,可以使用切片操作结合`str.capitalize()`方法,遍历字符串的每一个非空单词:
```python
def capitalize_first_letter(sentence):
words = sentence.split() # 分割单词
capitalized_words = [word[0].upper() + word[1:] for word in words]
return ' '.join(capitalized_words)
sentence = "hello world"
custom_capitalized = capitalize_first_letter(sentence)
print(custom_capitalized) # 输出: Hello world
```
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