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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 _generate_doc(ret):
    '''
    Create a object that will be saved into the database based on
    options.
    '''

    # Create a copy of the object that we will return.
    retc = ret.copy()

    # Set the ID of the document to be the JID.
    retc["_id"] = ret["jid"]

    # Add a timestamp field to the document
    retc["timestamp"] = time.time()

    return retc