timeit module for comparing the performance of two scripts

[3c273]

"Fredrik Lundh" <fredrik at pythonware.com> wrote in message
news:mailman.8031.1152632499.27775.python-list at python.org...

> $ python -m timeit -s "import pyConfig" "pyConfig.pyConfig()"
> $ python -m timeit -s "import pyConparse" "pyConparse.pyConParse()"
>
> note that timeit runs the benchmarked function multiple times, so you may
want
> to remove the print statements.

Hello,
Could you tell me what the "-m" switch does or even better, where to find
information on all switches in the documentation? Thanks.
Louis