save project

x

+pstname=123456
\ No newline at end of file

x.py

+username="12345"
+userpassword="12345"
+while True:
+    name=input("输入用户名：")
+    password=input("输入密码：")
+    if name==username and password==userpassword:
+        print("成功登录")
+        break
+    if name!=username:
+        print("用户名错误")
+        continue
+    if password!=userpassword:
+        print("密码错误")
+print("welcome")
\ No newline at end of file