save project

diy1.py

@@ -20,3 +20,29 @@ while True:
        print("你的账号已锁定，请来我司解锁！")
        exit()     
 print("欢迎来到贝尔编程！")      
+
+
+
+username = "python" 
+userpassword = "123456" 
+i=3
+while True: 
+    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("你已成功登录！")
+            break    
+        if name != username:
+            print("你输入的用户名错误请重新输入!")
+            continue
+        if password != userpassword:
+            print("你输入的密码错误请重新输入!")
+    else:
+       print("你的账号已锁定，请来我司解锁！")
+       exit()     
+print("欢迎来到贝尔编程！")      
+
+
+