import csv

FIELDS = ['Name', 'Sex', 'E-mail', 'Blog']

# DictWriter
csv_file = open('test.csv', 'wb')
writer = csv.DictWriter(csv_file, fieldnames=FIELDS)
# write header
writer.writerow(dict(zip(FIELDS, FIELDS)))

d = {}
d['Name'] = 'Qi'
d['Sex'] = 'Male'
d['E-mail'] = 'redice@163.com'
d['Blog'] = 'http://www.redicecn.com'

writer.writerow(d)
csv_file.close()
# For results, please see following picture

# DictReader
# A easier way for skipping the header
# Usually we need a extra flag variables
for d in csv.DictReader(open('test.csv', 'rb')):
    print d
# Output:
# {'Blog': 'http://www.redicecn.com', 'E-mail': 'redice@163.com', 'Name': 'Qi', 'Sex': 'Male'}