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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 validate_record(datum, schema, parent_ns=None, raise_errors=True):
 """ Check that the data is a Mapping type with all schema defined fields validated as True. Parameters datum: Any Data being validated schema: dict Schema parent_ns: str parent namespace raise_errors: bool If true, raises ValidationError on invalid data """

    _, namespace = schema_name(schema, parent_ns)
    return (
        isinstance(datum, Mapping) and
        all(validate(datum=datum.get(f['name'], f.get('default', no_value)),
                     schema=f['type'],
                     field='{}.{}'.format(namespace, f['name']),
                     raise_errors=raise_errors)
            for f in schema['fields']
            )
    )