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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 parse_file(self, f):
 """ Parse an ELF file and fill the class' properties. Arguments: f(file or str):
 The (path to) the ELF file to read. """


        if type(f) is str:
            self.f = open(f, 'rb')
        else:
            self.f = f
        self._parse_header(self.f.read(64))