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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:

def __quick_validate(r, check=('ResultSet', 'Result', 'totalRecords')):
    '''
    Quick validation of JSON result set returned by XNAT.

    :param r: Result set data in JSON format
    :type r: dict
    :param check: Fields to check
    :type check: tuple
    :returns: Result set is valid
    :rtype: bool
    '''
    if 'ResultSet' in check and 'ResultSet' not in r:
        raise ResultSetError('no ResultSet in server response')
    if 'Result' in check and 'Result' not in r['ResultSet']:
        raise ResultSetError('no Result in server response')
    if 'totalRecords' in check and 'totalRecords' not in r['ResultSet']:
        raise ResultSetError('no totalRecords in server response')
    return True