This exercise is to do a review of what i have learned so far.
First
go back through every exercise you have done so far and write done every word and symbol (another name for "character") that you have used. Make sure your list of symbols is complete.
Next
Nest to each word or symbol,write its name and what it does.If you can't find a name for a symbol in this book,then look for it online.If you not know what a word or symbol does, then read about it again and try using it in some code.
Warning
The most important thing when doing this exercise is:"There is no failure, only trying."