Object Creator https://repl.it/@waituk/Object-creator-drill
Object Updater https://repl.it/@waituk/Object-updater-drill
Self-reference https://repl.it/@waituk/Self-reference-drill
Deleting keys https://repl.it/@waituk/Deleting-keys-drill
Object Creator https://repl.it/@waituk/Object-creator-drill
Object Updater https://repl.it/@waituk/Object-updater-drill
Self-reference https://repl.it/@waituk/Self-reference-drill
Deleting keys https://repl.it/@waituk/Deleting-keys-drill