save project

diy2.py

 username = "python"
 username = "python"
 userpassword = "123456"
 userpassword = "123456"
-while True:
+i=3
+while i>0:
     name = input("请输入用户名:")
     name = input("请输入用户名:")
     password = input("请输入密码:")
     password = input("请输入密码:")
+    i=i-1
     if name == username and password == userpassword:
     if name == username and password == userpassword:
         print("登录成功!")
         print("登录成功!")
         break
         break
@@ -12,6 +14,9 @@ while True:
     else:
     else:
         password!=userpassword:
         password!=userpassword:
         print("密码错误，请再次输入")
         print("密码错误，请再次输入")
+        if i==0:
+            print("密码错误，登入失败,请来我司")
+            exit
 print("欢迎来到贝尔编程!")
 print("欢迎来到贝尔编程!")