How do `split` and `join` turn a sentence into a list and back — making word-counting a two-line job?
Short drills on what this video just taught. Write the code, run the checks, and reveal the answer only if you are stuck.
Casting a string to a list turns every character — letters, spaces and symbols — into its own element. Turn text into a list of its individual characters and assign it to chars.
Hint: list() casts a string into a list of its characters.