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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 parseFeatureRequest(response):
 """ Get the list of Part10 features supported by the reader. @param response: result of CM_IOCTL_GET_FEATURE_REQUEST commmand @rtype: list @return: a list of list [[tag1, value1], [tag2, value2]] """

    features = []
    while (len(response) > 0):
        tag = response[0]
        control = ((((((response[2] << 8) +
                        response[3]) << 8) +
                        response[4]) << 8) +
                        response[5])
        try:
            features.append([Features[tag], control])
        except KeyError:
            pass
        del response[:6]
    return features