def _prettify_list(items):
    """Return a human readable format of a list.

    Example:

    Available Keys:
      - my_first_key
      - my_second_key
    """
    assert isinstance(items, list)

    keys_list = 'Available Keys:'
    for item in items:
        keys_list += '\n  - {0}'.format(item)
    return keys_list
def _prettify_list(items):
    """Return a human readable format of a list.

    Example:

    Available Keys:
      - my_first_key
      - my_second_key
    """
    assert isinstance(items, list)

    keys_list = 'Available Keys:'
    for item in items:
        keys_list += '\n  - {0}'.format(item)
    return keys_list
def _prettify_list ( items ) : assert isinstance ( items , list ) keys_list = 'Available Keys:' for item in items : keys_list += '\n  - {0}' . format ( item ) return keys_list
Return a human readable format of a list.

    Example:

    Available Keys:
      - my_first_key
      - my_second_key
Return a human readable format of a list .