Как-то так должно начаться:
import csv
import glob
csv_dir = "/Users/Documents/CSVfiles/"
for fcnt,csvfile in enumerate(glob.iglob(csv_dir + '*.csv')): # iterate through all csv files in this directory
with open(csvfile, newline='') as f: # open spreadsheet file, fcnt is a count of files
csvreader = csv.reader(f, delimiter=' ', quotechar='|') # Each row is returned as a list of strings.
for row in csvreader:
col1 = row[0]
col2 = row[1]
col3 = row[2]
col4 = row[3]
col5 = row[4]
col6 = row[5]
col7 = row[6]
col8 = row[7]