auto save

diy1.py

+i=3
 usernema = "sb"
 usernema = "sb"
 userpassword = "24"
 userpassword = "24"
 while True:
 while True:
+    if i>0
         nema = input("请输入用户名")
         nema = input("请输入用户名")
         password = input("请输入密码")
         password = input("请输入密码")
+        i-=1
         if nema == usernema and password == userpassword:
         if nema == usernema and password == userpassword:
             print("登录成功")
             print("登录成功")
             break
             break