python 記負均正

class AvgNum(object):
    def __init__(self, num_list):
        self.num_list = num_list

    def do_avg(self):

        temp_1_list = []
        temp_2_list = []

        for num in self.num_list:

            if num < 0:
                temp_1_list.append(num)
            else:
                temp_2_list.append(num)

        if len(temp_2_list) > 0:
            avgs = sum(temp_2_list) / len(temp_2_list)
        else:
            avgs = 0

        print("負整數個數：%d" % len(temp_1_list))
        print("正整數平均值：%f" % avgs)


if __name__ == '__main__':
    num_list = [1, 2, 3, 4, 5]

    ref = AvgNum(num_list)
    ref.do_avg()