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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 _getCharFont(self, font_files, code_point):
 """ Returns font files containing given code point. """

        return_font_files = []
        for font_file in font_files:
            face = ft.Face(font_file)
            if face.get_char_index(code_point):
                return_font_files.append(font_file)
        return return_font_files