Module 18

More strings and lists

More ways to work with strings and lists. Slices with a step, why strings can't be changed, the methods count, index, replace, split, join and strip, and how the functions of a larger program pass data to each other.

Steps

1. Slices with a step
2. Strings can't be changed
3. count, index and replace
4. split, join and strip
5. Passing data between functions