yeah, I agree that there are definitely valid uses for clone(). I included it at the top of my table with a bit of humor, hence the smile. Thanks for pointing it out! ^_^

I took some cpp examples as guidance. As for geek for geeks agree, one shouldn’t blindly trust it and better use several sources. Adding more reliable sources is definitely point of improvement. I also used introduction to algorithms paperback book, but was lazy to add it as a source ^_