code: def config(ctx):
      
      ctx.default_map = ctx.obj['cfg']
      click.echo("CLI:")
      click.echo("access-token = {0}".format(ctx.obj['access_token']))
      click.echo("verbosity = {0}".format(ctx.obj['verbosity']))
      click.echo("")
  
      click.echo("Environment:")
      if 'MAPBOX_ACCESS_TOKEN' in os.environ:
          click.echo("MAPBOX_ACCESS_TOKEN = {0}".format(
              os.environ['MAPBOX_ACCESS_TOKEN']))
      if 'MapboxAccessToken' in os.environ:
          click.echo("MapboxAccessToken = {0}".format(
              os.environ['MapboxAccessToken']))
      if 'MAPBOX_VERBOSE' in os.environ:
          click.echo("MAPBOX_VERBOSE = {0}".format(
              os.environ['MAPBOX_VERBOSE']))
      click.echo("")
  
      if 'config_file' in ctx.obj:
          click.echo("Config file {0}:".format(ctx.obj['config_file']))
          for key, value in ctx.default_map.items():
              click.echo("{0} = {1}".format(key, value))
          click.echo("")
docs: Show access token and other configuration settings.
  
      The access token and command verbosity level can be set on the
      command line, as environment variables, and in mapbox.ini config
      files.