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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 process_network_proto(caffe_root, deploy_proto):
 """ Runs the caffe upgrade tool on the prototxt to create a prototxt in the latest format. This enable us to work just with latest structures, instead of supporting all the variants :param caffe_root: link to caffe root folder, where the upgrade tool is located :param deploy_proto: name of the original prototxt file :return: name of new processed prototxt file """

    processed_deploy_proto = deploy_proto + ".processed"

    from shutil import copyfile
    copyfile(deploy_proto, processed_deploy_proto)

    # run upgrade tool on new file name (same output file)
    import os
    upgrade_tool_command_line = caffe_root + '/build/tools/upgrade_net_proto_text.bin ' \
                                + processed_deploy_proto + ' ' + processed_deploy_proto
    os.system(upgrade_tool_command_line)

    return processed_deploy_proto