If you want to create several folders with numerical prefixes or suffixes, for example, when using a shell such as zsh or bash, here is how to do it:

Examples

Suppose we want to create folders for each week of lectures for a total of 12 weeks, here is how to go about it:

mkdir "Week "{1..12}

For odd weeks only

mkdir "Week "{1..24..2}

For even weeks only

mkdir "Week "{2..24..2}