save project

diy1.py

-uname="py"
-um="123456"
-name=input("请输入账号:")
-m=input("请输入密码:")
-if uname==uname and um == m:
-    print("登陆成功")
\ No newline at end of file
+uname="sb"
+um="54188"
+while True:
+    name=input("请输入账号:")
+    m=input("请输入密码:")
+    if uname==uname and um == m:
+        print("登录成功")
+        break
+    if name != uname:
+        print("用户名称不存在")
+    if um != um:
+        input("密码错误")
+print("欢迎来到天堂")
\ No newline at end of file