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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_delete():
 """ Create the grammar for the 'delete' statement """

    delete = upkey("delete").setResultsName("action")
    return (
        delete
        + from_
        + table
        + Optional(keys_in)
        + Optional(where)
        + Optional(using)
        + Optional(throttle)
    )