Let's play with more cores.

implementations/Python/joys.py

@@ -0,0 +1,11 @@
+import multiprocessing as mp
+from joy import (
+    initialize,
+    default_defs,
+    text_to_expression,
+    joy,
+    )
+
+
+if __name__ == '__main__':
+    mp.set_start_method('fork')