Init.

demo/slow.py

@@ -0,0 +1,13 @@
+#!/usr/bin/env -S python3
+
+from time import sleep, time
+from signal import signal, SIGINT, pause
+from sys import exit
+
+def main():
+    print("Now is", time())
+    signal(SIGINT, lambda *_: (print("Received sigint, stopping in 5s ..."), sleep(5), exit(0)))
+    print("Waiting for sigint.")
+    pause()
+
+main()