A brief analysis of how to use Python's built-in string processing functions

1. lower(): Convert all uppercase letters to lowercase letters. For example:

name='G'
b=name.lower()

2. title"": Convert the string into a title, that is, the first letter of all words is capitalized and other letters are lowercase. The usage method is the same as lower()

3. replace: Returns the string obtained after all matching items of a certain string are replaced.

'This is a test'.replace('is','are')

4. split: Split the string into sequences

'1+2+3+4+5'.split('+')

The default program uses all spaces as separators.

5. strip: Returns a string with spaces on both sides (excluding internal) removed

'               in wh is kepy         '.strip()

6. translate: replaces some parts of the string. The translate knowledge handles individual characters. But multiple replacements can be performed at the same time. Multiple replacements mean that a can be replaced with b and c with d at the same time, while replace can only replace a with b at a time. The usage of translate is relatively complicated. If you need to use it, please read the document specifically introducing it.

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