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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 iterchildren(self):
 """ Iterates the subkeys for this Registry key. @rtype: iter of L{RegistryKey} @return: Iterator of subkeys. """

        handle = self.handle
        index = 0
        while 1:
            subkey = win32.RegEnumKey(handle, index)
            if subkey is None:
                break
            yield self.child(subkey)
            index += 1