# coding:utf-8

# 加载josn文件的所有操作函数
from  step2_store_file_json_db import *

if __name__ == '__main__':
    # 首次加载
    print('修改前的数据库:')
    people = loadDbase()
    
    printDbase(people)

    # 给所有女生年龄减1岁
    for key in people.keys():
        if people[key]['GENDER']=='女':
            people[key]['AGE'] = people[key]['AGE'] -1 
    storeDbase(people)

    print('修改后的数据库:')
    printDbase(loadDbase())