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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 sections_count(self):
 """Return the sections_count attribute of the BFD file being processed."""

        # This should match the 'sections' attribute length so instead should
        # use :
        #
        #   len(bfd.sections)
        #
        if not self._ptr:
            raise BfdException("BFD not initialized")

        return _bfd.get_bfd_attribute(self._ptr, BfdAttributes.COUNT_SECTIONS)