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("此用户不存在，请重新输入！")
-        continue
-    if password!= userpassword:
-        print("密码不正确，请重新输入！")
-    
+    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("此用户不存在，请重新输入！")
+            continue
+        if password!= userpassword:
+            print("密码不正确，请重新输入！")
\ No newline at end of file
+    else:
+        print("账户已锁定，请拿身份证到我司解锁！")
+        exit()
+print("欢迎来到贝尔编程！")