自学教程：Python进行区间取值案例讲解

# 根据值、比较list， 值list，返回区间值, other_value 即不在的情况    def get_value_by_between(self, compare_value, compare_list, value_list, other_value, type="compare", left=False,                             right=True):        try:            if compare_value is None or compare_value == '':                return other_value             if len(compare_list) != len(value_list):                raise Exception("区间对比两个list长度不一致")             # # 如果比较的值和其它情况值一致，说明是其它情况            # if compare_value == other_value:            #     return other_value             # 左边开区间            if compare_list[0] == -9999999 and compare_list[1] >= compare_value:                return value_list[0]             # 右边开区间            if right is True and compare_value > compare_list[len(compare_list) - 1]:                return value_list[len(compare_list) - 1]            # 左边开区间            # if left is True and compare_value <= compare_list[0]:            #     return compare_value[0]             for ind, this_val in enumerate(compare_list):                # 如果是最后一个，则返回最后一个值                if compare_value > compare_list[len(compare_list) - 1]:                    return value_list[len(compare_list) - 1]                # 返回默认的                elif (ind + 1) == len(compare_list):                    return other_value                 # 下一个，如果大于compare_list长度减1 ，就返回最后一个                next_val = compare_list[ind if ind >= len(compare_list) else ind + 1]                # 第一个的话就是 大于等于，小于下一个                if ind == 0 and compare_value >= this_val and compare_value <= next_val:                    return value_list[ind]                # 大于左边，小于等于右边                elif this_val < compare_value and compare_value <= next_val:                    return value_list[ind]        except:            log.error("根据区间计算分数异常", traceback.format_exc())        return other_value

# 数字型    def get_val_by_list(self, compare_value, compare_list, val_list, other_value):        try:            if compare_value is None:                return other_value             for ind, li in enumerate(compare_list):                if len(li) == 1 and compare_value == li[0]:                    return val_list[ind]                # 最后一个                elif len(li) == 1 and (ind + 1) == len(compare_list) and compare_value >= li[0]:                    return val_list[ind]                elif len(li) == 2 and compare_value >= li[0] and compare_value <= li[1]:                    return val_list[ind]        except:            log.error(" get_val_by_list 异常", traceback.format_exc())        return other_value

# creditTime 即值self.get_val_by_list(creditTime, [[0],[1],[2],[3]], [20, 10, 0, -100],                                                                   other_value=0)

self.get_value_by_between(taxCreditRating, [0, 60, 70, 80, 90],[-200, 0, 10, 20, 30], other_value=0)

self.get_value_by_between(taxAmt12m, [0,0, 1000, 15000, 50000, 200000],[-50, -50, 0, 0, 5, 10], -0)