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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 create_load():
 """ Create the grammar for the 'load' statement """

    load = upkey("load").setResultsName("action")
    return (
        load
        + Group(filename).setResultsName("load_file")
        + upkey("into")
        + table
        + Optional(throttle)
    )