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 name == username and password == userpassword:
+        print("登录成功!")
+        break
+    if name != username 
+    print("用户不存在！")
+    i-=i
+    print(i)
+    continue
+    if password != userpassword
+    print("mimacuowu!")
+    i-=i
+    print(i)
+print("欢迎来到贝尔编程!")
+if i == 3:
+    print("gun")
+  
\ No newline at end of file