[ASR31] AcessingSimulationResult: try returning 0 ()

Merging branch 'ASR31'  into 'main'.

See merge request !1692

Examples/varia/AccessingSimulationResults.py

@@ -133,6 +133,9 @@ if __name__ == '__main__':
     field = result.extracted_field()
     print(datetime.datetime.now().time(), "Plot", flush=True)
     plot(field)
+    if bp.do_plot:
+        print(datetime.datetime.now().time(), "Won't show", flush=True)
+        exit(0)
     print(datetime.datetime.now().time(), "Show", flush=True)
     bp.show_or_export()
     print(datetime.datetime.now().time(), "Done", flush=True)