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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 find_next_matching_line(self, match_func, count=1):
 """ Look downwards for empty lines. Return the line index, relative to the current line. """

        result = None

        for index, line in enumerate(self.lines[self.cursor_position_row + 1:]):
            if match_func(line):
                result = 1 + index
                count -= 1

            if count == 0:
                break

        return result