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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 _file_timestamp_info(self, path):
 """ Grab all the timestamps for the files in the directory """

        files = [os.path.join(path, fname) for fname in os.listdir(path) if '.py' in fname]
        return dict ([(fname, os.path.getmtime(fname)) for fname in files])