标签:else not load dump one return 删除 coding inf
import json
def op_data(filename,dic=None):
if dic:#写入进去
with open(filename,‘w‘,encoding=‘utf-8‘) as fw:
json.dump(dic,fw,ensure_ascii=False,indent=3)#字典转成json
else:
with open(filename,encoding=‘utf-8‘) as fr:
return json.load(fr)#json转成Python类型
FILENAME=‘user_info.json‘
all_users=op_data(FILENAME)
print(all_users)
for i in range(3):
choice=input(‘输入,1、注册,2、删除:‘)
if choice==‘1‘:
username=input("username:")
pwd=input("pwd:")
if username not in all_users:
all_users[username]=pwd
op_data(FILENAME,all_users)
elif choice==‘2‘:
username=input("username:")
all_users.pop(username)
op_data(FILENAME, all_users)
标签:else not load dump one return 删除 coding inf
原文地址:https://www.cnblogs.com/irisx/p/8878035.html