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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 MapFile(self, key_path_prefix, registry_file):
 """Maps the Windows Registry file to a specific key path prefix. Args: key_path_prefix (str):
 key path prefix. registry_file (WinRegistryFile):
 Windows Registry file. """

    self._registry_files[key_path_prefix.upper()] = registry_file
    registry_file.SetKeyPathPrefix(key_path_prefix)