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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 print_menuconfig(kconf):
 """ Prints all menu entries for the configuration. """

    # Print the expanded mainmenu text at the top. This is the same as
    # kconf.top_node.prompt[0], but with variable references expanded.
    print("\n======== {} ========\n".format(kconf.mainmenu_text))

    print_menuconfig_nodes(kconf.top_node.list, 0)
    print("")