python optparse don't allow -XX options. to use this format, you need --XX (-- for long format)
optparse.OptionError: invalid long option string '-la': must start with --, followed by non-dash
python optparse don't allow -XX options.
to use this format, you need --XX (-- for long format)
optparse. OptionError: invalid long option string '-la': must start with --, followed by non-dash