import copy if __name__ == '__main__': temperatures = [73,74,75,71,69,72,76,73] # temperatures = [30, 60, 90] # temperatures = [30, 40, 50, 60] later_temperatures = copy.copy(temperatures) day_nums = [] for temperature in temperatures: later_temperatures.remove(later_temperatures[0]) i = 1 day_num = 0 for later_temperature in later_temperatures: if later_temperature > temperature: day_num = i i = i + 1 break else: i = i +1 if i == 1: day_num = 0 day_nums.append(day_num) print(day_nums)