save project

4.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("登陆成功")
-        break
-    elif name!=username:
-        print("用户名错误，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("登陆成功")
+            break
+        elif name!=username:
+            print("用户名错误，请重新输入")
     else:
     else:
-        print("密码错误，请重新输入")
+        print("账户被锁定，请来公司解锁")
+        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