save project

diy2.py

+i = 3
 username = "python"
 userpassword = "123456"
 while True:
+    if i > 0:
     name = input("请输入用户名:")
     password = input("请输入密码:")
+    i=i-1
     if name == username and password == userpassword:
         print("登录成功!")
         break
-    elif name != username:
+    if name != username:
         print("用户名不存在,请重新输入!")
-    else:
+        continue:
+    if password!=userpassword:
         print("密码输入有误,请重新输入!")
-print("欢迎来到贝尔编程!") 
+    else
+        print("账户锁定，请1小时后再试") 
+    exit()
+    print("欢迎来到贝尔编程")