save project

diy2.py

+username = "python"
+userpassword = "123456"
+w3=5
+while True:
+    if w3>0:
+        name = input("请输入用户名:")
+        password = input("请输入密码:")
+        w3 = w3-1
+        if name == username and password == userpassword:
+            print("登录成功!")
+            break
+        elif name != username :
+            print("用户名输入错误，请重新输入")
+            continue
+        else:
+            print("密码输入错误，请重新输入")
+    else:
+        print("你的次数用光了")
+        break        
+print("欢迎来到贝尔编程!")