Complete the below in a pair programming style, with reflections, one PR per group.

Note: There’s a line in sales.csv that has bad price data in it (a " and a ,). You’ll need to manually clean this when you find it.

Tips:

• Pay attention to variable names, especially if you copy/paste code!
• Pay attention to data types! If you need to convert a value so you can for instance do math with it, do it as early as possible. Then convert it back to a string when you need to print it.
• Look back at the chapter for inspiration!