save project

diy1.py

+i=3
 username = "python" 
 username = "python" 
 userpassword = "123456"
 userpassword = "123456"
-while True:    
-    name=input("请输入用户名:")
-    password=input("请输入密码:")
-    if name == username and password == userpassword:
-        print("登录成功")
-        break
-    if name != username:
-        print("用户名不存在!请重新输入！")
-        continue
-    if password != userpassword:
-        print("密码输入错误，请重新输入！")
+while True:
+    if i>0    
+        name=input("请输入用户名:")
+        password=input("请输入密码:")
+        i-=1
+        if name == username and password == userpassword:
+         print("登录成功")
+            break
+        if name != username:
+            print("用户名不存在!请重新输入！")
+            continue
+    else:
+        print("你的账户已被锁定，请一个小时以后再来")
+        exit()
 print("欢迎来到贝尔编程")
 print("欢迎来到贝尔编程")
\ No newline at end of file