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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 update_insert_values(bel_resource: Mapping, mapping: Mapping[str, Tuple[str, str]], values: Dict[str, str]) -> None: """Update the value dictionary with a BEL resource dictionary."""

    for database_column, (section, key) in mapping.items():
        if section in bel_resource and key in bel_resource[section]:
            values[database_column] = bel_resource[section][key]