Add script for showing output

append_output.sh

@@ -0,0 +1,8 @@
+#!/bin/bash
+
+set -e
+
+src=$(sed -n -e "0,/### OUTPUT ###/p" "$1")
+output=$(python "$1" | sed 's/^/# /')
+
+echo -e "${src}\n${output}" > "$1"