<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def dump(filename, options, out=sys.stdout):
 """Dump parquet file with given filename using options to `out`."""

    with open(filename, 'rb') as file_obj:
        return _dump(file_obj, options=options, out=out)