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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 _get_storage_broker(uri, config_path):
 """Helper function to enable use lookup of appropriate storage brokers."""

    uri = dtoolcore.utils.sanitise_uri(uri)
    storage_broker_lookup = _generate_storage_broker_lookup()
    parsed_uri = dtoolcore.utils.generous_parse_uri(uri)
    StorageBroker = storage_broker_lookup[parsed_uri.scheme]
    return StorageBroker(uri, config_path)