> I would argue that one should never use '-O' it also strips doc strings from running code.
Python `-OO` strips docstrings, `-O` basically only disables assertions. See: http://stackoverflow.com/a/4777156/459543
Python `-OO` strips docstrings, `-O` basically only disables assertions. See: http://stackoverflow.com/a/4777156/459543
Or just do "python -h":
-O : optimize generated bytecode slightly; also PYTHONOPTIMIZE=x -OO : remove doc-strings in addition to the -O optimizations
Same on both Py 2 and 3.