update hello 20201222

hello.c

@@ -18,9 +18,13 @@ void hello_20200822(void)
 {
 	
 }
-hello 1
-hello 2
-hello 3
 
-version = 3
+void hello_school()
+{
+	watch is you name;
+}
+void hello_class()
+{
+	watch is you name;
+}