How do I remove leading whitespace in Python?

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Chapters
00:00 How Do I Remove Leading Whitespace In Python?
00:22 Accepted Answer Score 445
00:53 Answer 2 Score 121
01:08 Answer 3 Score 14
01:26 Answer 4 Score 30
01:38 Thank you

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Full question
https://stackoverflow.com/questions/9592...

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Content licensed under CC BY-SA
https://meta.stackexchange.com/help/lice...

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Tags
#python #string #whitespace #trim

#avk47

ACCEPTED ANSWER

Score 445

The lstrip() method will remove leading whitespaces, newline and tab characters on a string beginning:

>>> '     hello world!'.lstrip()
'hello world!'

Edit

As balpha pointed out in the comments, in order to remove only spaces from the beginning of the string, lstrip(' ') should be used:

>>> '   hello world with 2 spaces and a tab!'.lstrip(' ')
'\thello world with 2 spaces and a tab!'

ANSWER 2

Score 121

The function strip will remove whitespace from the beginning and end of a string.

my_str = "   text "
my_str = my_str.strip()

will set my_str to "text".

ANSWER 3

Score 30

If you want to cut the whitespaces before and behind the word, but keep the middle ones.
You could use:

word = '  Hello World  '
stripped = word.strip()
print(stripped)

ANSWER 4

Score 14

To remove everything before a certain character, use a regular expression:

re.sub(r'^[^a]*', '')

to remove everything up to the first 'a'. [^a] can be replaced with any character class you like, such as word characters.