Python’s csv module simplifies reading CSV files by turning each record into a row of columns, avoiding manual line splitting. section 5.1.4
Summing NFL passing yards
Import csv, open the file with with, and convert its contents with data = list(csv.reader(f)). Loop through each row, select quarterbacks, and add row[7] to a dictionary keyed by player name. Compared with line.split(','), this approach is easier to read and lets the module handle CSV structure. section 5.1.4
