human
Complete this python program:
def convert(*args):
assistant
#Here is the Python code you requested.

    """Decorator for field to filter conversion routine.
    See :mod:`flask_admin.contrib.sqla.filters` for usage example.
    """
    def _inner(func):
        func._converter_for = list(map((lambda x: x.lower()), args))
        return func
    return _inner