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-> Why I have changed
s = re.sub(r'#.*?\n', '', s)
tos = re.sub(r'#.*\n?', '', s)
?Because your regex won't match the comment line which exists at the last (End of a file) because it expects a newline character . But
s = re.sub(r'#.*\n?', '', s)
should remove all the comment lines irrespective of their locations..*?
->.*
because dot by default won't match line breaks.-> A simple
string.replace
should do thisre.sub(r'\'', '"', s)
job, you don't need to go for `re.subIf you want to further reduce these two lines of code into a single line then go with this,