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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 read(self, fname, psw=None):
 """Return uncompressed data for archive entry. For longer files using :meth:`RarFile.open` may be better idea. Parameters: fname filename or RarInfo instance psw password to use for extracting. """


        with self.open(fname, 'r', psw) as f:
            return f.read()