Format strings vs concatenation

Question

I see many people using format strings like this:

root = \"sample\"
output = \"output\"
path = \"{}/{}\".format(root, output)

Instead of si

Answer 1

It's for looks and the maintaining of the code. It's really easier to edit your code if you used format. Also when you use + you may miss the details like spaces. Use format for your and possible maintainers' good.