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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_mat_file(self, file_path):
 """Scan SH12A MAT file for ICRU+LOADEX pairs and return found ICRU numbers"""

        mat_file_sections = self._extract_mat_sections(file_path)
        return self._analyse_mat_sections(mat_file_sections)