Plot shares for chocolate bars

A picture will help bring those share predictions to life and make it easy for people to understand. Let's make a bar plot of the shares.

100 XP

I've written the first line of code that computes the shares and saves them to shares.
You should fill in the missing inputs to barplot(). The first input should be the shares, which are stored in shares$share.
The second input should be the names of the different types of chocolate, which we can get from the chocolate data levels(chocolate$Type)