ch01: add shebang

JBSP-code · JBSP-code · commit f34180880c4d · 2023-01-01T20:30:03.000+01:00
diff --git a/01_hello/hello.py b/01_hello/hello.py
@@ -1,3 +1,3 @@
+#!/usr/bin/env python3
 # Purpose: Say hello
 print("Hello, World!")
-
