[Python-Dev] py3k: print function treats sep=None and end=None in an unintuitive way (original) (raw)
Eric Smith eric+python-dev at trueblade.com
Tue Apr 8 15:44:02 CEST 2008
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Alessandro Guido wrote:
Can anybody please point me why print('a', 'b', sep=None, end=None) should produce "a b\n" instead of "ab"? I've read http://docs.python.org/dev/3.0/library/functions.html#print, pep-3105 and some ml threads but did not find a good reason justifying such a strange behaviour.
Thanks. -Alessandro Guido
Because None means 'use the default value'. You probably want: print('a', 'b', sep='', end='')
import io s = io.StringIO() print('a', 'b', end='', sep='', file=s) s.getvalue() 'ab'
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