Guideline 8:
When multiple option-arguments are specified to follow a single option, they should be presented as a single argument, using characters within that argument or characters within that argument to separate them.
plan
After successfully match all input arguments, check the list of string list outcome. If:
1. the list contains a single element.(processing the last element instead)
such element contains comma.
then the element would be split to several comma separated elements.
After successfully match all input arguments, check the list of
string list outcome. If:1. the list contains a single element.(processing the last element instead)then the element would be split to several comma separated elements.
Also, add a flag to suppress above behaviour.