code: def help(file=None):
      
      helpstr = getHelpAsString(docstring=True, show_ver=True)
      if file is None:
          print(helpstr)
      else:
          with open(file, mode='w') as f:
              f.write(helpstr)
docs: Print out syntax help for running ``astrodrizzle``
  
      Parameters
      ----------
      file : str (Default = None)
          If given, write out help to the filename specified by this parameter
          Any previously existing file with this name will be deleted before
          writing out the help.