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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 reload_recent_submodules(module, mtime=0, processed=[]):
 """ Recursively reload submodules which are more recent than a specified timestamp. To be called from a thread that has acquired the import lock to be thread safe. :param module: the module name. The WatchList is checked for modules that list this as a parent. :param mtime: the latest module time known to this point. :param processed: a list of modules that were processed (to avoid infinite recursion). :returns: True if any submodule was reloaded. """

    if module.endswith(".py"):
        module = module[:-3]
    if module in processed:
        return False
    any_reloaded = False
    for key in WatchList:
        if WatchList[key]["parent"] == module:
            reloaded = reload_recent_submodules(key, mtime, processed)
            filemtime = module_getmtime(WatchList[key]["file"])
            filemtime = latest_submodule_time(key, filemtime)
            any_reloaded = any_reloaded or reloaded
            if reloaded or filemtime > WatchList[key]["time"]:
                WatchList[key]["time"] = filemtime
                for second in WatchList:
                    if second != key and WatchList[second]["file"] == WatchList[key]["file"]:
                        WatchList[second]["time"] = filemtime
                modkey = module_sys_modules_key(key)
                if modkey:
                    try:
                        reload_including_local(sys.modules[modkey])
                        tangelo.log("Reloaded %s" % modkey)
                    except ImportError:
                        del sys.modules[modkey]
                        tangelo.log("Asking %s to reimport" % modkey)
                    any_reloaded = True
    return any_reloaded