We probably want to take advantage of the `cctype` standard library that has functions such as [islower() isupper() tolower() and toupper()](https://en.cppreference.com/w/cpp/header/cctype) (see link for reference)
We probably want to take advantage of the
cctypestandard library that has functions such as islower() isupper() tolower() and toupper() (see link for reference)