>>> t1 = "abcd.org.gz"
>>> t1
'abcd.org.gz'
>>> t1.strip("g")
'abcd.org.gz'
>>> t1.strip("gz")
'abcd.org.'
>>> t1.strip(".gz")
'abcd.or'
Why is the 'g' of '.org' gone?
Answers:
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Method 1
strip(".gz") removes any of the characters ., g and z from the beginning and end of the string.
Method 2
x.strip(y) will remove all characters that appear in y from the beginning and end of x.
That means
'foo42'.strip('1234567890') == 'foo'
becuase '4' and '2' both appear in '1234567890'.
Use os.path.splitext if you want to remove the file extension.
>>> import os.path
>>> t1 = "abcd.org.gz"
>>> os.path.splitext(t1)
('abcd.org', '.gz')
Method 3
In Python 3.9, there are two new string methods .removeprefix() and .removesuffix() to remove the beginning or end of a string, respectively. Thankfully this time, the method names make it aptly clear what these methods are supposed to perform.
>>> print (sys.version)
3.9.0
>>> t1 = "abcd.org.gz"
>>> t1.removesuffix('gz')
'abcd.org.'
>>> t1
'abcd.org.gz'
>>> t1.removesuffix('gz').removesuffix('.gz')
'abcd.org.' # No unexpected effect from last removesuffix call
Method 4
The argument given to strip is a set of characters to be removed, not a substring. From the docs:
The chars argument is a string specifying the set of characters to be removed.
Method 5
as far as I know strip removes from the beginning or end of a string only. If you want to remove from the whole string use replace.
All methods was sourced from stackoverflow.com or stackexchange.com, is licensed under cc by-sa 2.5, cc by-sa 3.0 and cc by-sa 4.0