save project

diy1.py

 username = "python"   
 username = "python"   
 userpassword = "123456"   
 userpassword = "123456"   
-a=input("账号:")
-b=input("密码:")
-if a==username and b==userpassword:
-    print("“进入游戏”")
-# 如果用户输入的账号、密码正确，提示登陆成功
+while True:
+    a=input("账号:")
+    b=input("密码:")
+    if a==username and b==userpassword:
+        print("“进入游戏”")
+        break
+    print("sb,再来一次")
+print("gun!")