save project

diy2.py

+username = "1w"
+userpassword = "12w"
+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("账号不对")
+    if password != userpassword:
+        print("密码不对")
+        continue
+print("欢迎")
\ No newline at end of file