save project

diy2.py

+i = 3
 username = "python"
 username = "python"
 userpassword = "123456"
 userpassword = "123456"
 while True:
 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("用户名错误")
-       continue
-    if password !=userpassword:
-       print("账号错误")
-    print("用户名和密码错误!请重新输入")
-print("欢迎来到贝尔编程!")
+    if i > 0:
+        i = i -1
+        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
+        elif name!=username:
+            print("用户名错误")
+        else:
+            print("账号错误")
+    else:
\ No newline at end of file
+        print("超过次数，锁定账号")
+        exit()
+print("欢迎来到贝尔编程!")
+    
+
+        
+        
+       
\ No newline at end of file