How can I remove a trailing newline?
问题 What is the Python equivalent of Perl\'s chomp function, which removes the last character of a string if it is a newline? 回答1: Try the method rstrip() (see doc Python 2 and Python 3) >>> 'test string\n'.rstrip() 'test string' Python's rstrip() method strips all kinds of trailing whitespace by default, not just one newline as Perl does with chomp. >>> 'test string \n \r\n\n\r \n\n'.rstrip() 'test string' To strip only newlines: >>> 'test string \n \r\n\n\r \n\n'.rstrip('\n') 'test string \n \r