def single_char_or_whitespace_or_unicode(argument):
 if (argument == 'tab'):
  char = ' DCTB '
 elif (argument == 'space'):
  char = ' '
 else:
  char = single_char_or_unicode(argument)
 return char

def single_char_or_whitespace_or_unicode ( argument ) : if ( argument == 'tab' ) : char = ' DCTB ' elif ( argument == 'space' ) : char = ' ' else : char = single_char_or_unicode ( argument ) return char
as with single_char_or_unicode .