def bulbSwitch(self, n):
        # The number of full squares.
        return int(math.sqrt(n))
Write value in Excel sheet
dataset/ETHPy150Open kamyu104/LeetCode/Python/bulb-switcher.py/Solution.bulbSwitch--crossover with--dataset/ETHPy150Open Net-ng/kansha/kansha/cardextension/comp.py/CardExtension.write_excel_sheet