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 i>0:
+        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
+        else:
+            if password != userpassword:
+               print("用户不存在,请重新输入")
+            if name != username:
+                print("用户账号不存在，请重新输入")
+                i-=1
     else:
     else:
-        if password != userpassword:
-            print("用户不存在,请重新输入")
-        if name != username:
-            print("用户账号不存在，请重新输入")
+        print("密码已锁定,请带身份证来我司解锁")
+        exit()
 print("欢迎来到贝尔编程!")
 print("欢迎来到贝尔编程!")
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