save project

diy2.py

+username = "python"
+userpassword = "123456"
+while True:
+    if i>0 
+        i-=1
+        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 
+        elif username!=name:
+            print("用户名错误")
+            continue
+
+        elif userpassword!= password:
+            print("密码错误")    
+            continue
+    else:
+        print("你的账号被封号3650天")
+        exit()
+print("欢迎来到贝尔编程!")
\ No newline at end of file