讀取：
import csv
with open(r'D:\egg.csv', 'rb') as f:
reader = csv.reader(f)
for row in reader:
print type(row)
print row
寫入csv文件，一列：
import csv
with open(r'D:\egg2.csv', 'wb') as csvfile:
spamwriter = csv.writer (csvfile, delimiter=' ', quotechar='|', quoting = csv.QUOTE_MINIMAL)
spamwriter.writerow(['a','1','1','2','2'])
spamwriter.writerow(['b','3','3','6','4'])
spamwriter.writerow(['c','7','7','10','4'])
寫入csv文件，多列：
import csv
with open(r'D:\egg3.csv', 'wb') as csvfile:
spamwriter = csv.writer (csvfile, dialect='excel')
spamwriter.writerow(['a','1','1','2','2'])
spamwriter.writerow(['b','3','3','6','4'])
spamwriter.writerow(['c','7','7','10','4'])