def commajoin_as_strings ( iterable ) : return _ ( u',' ) . join ( ( six . text_type ( i ) for i in iterable ) )
python how to connect all list to a string
Join the given iterable with
def commajoin_as_strings(iterable):
    """ Join the given iterable with ',' """
    return _(u',').join((six.text_type(i) for i in iterable))