save project

diy2.py

+i=3
+username = "python"
+userpassword = "123456"
+while True:
+    name = input("请输入用户名:")
+    password = input("请输入密码:")
+if i<=3:
+    print("温馨提示:您还有str(i)次机会")
+        
+  
+print("欢迎来到贝尔编程!")