how to append to csv file in python code example

Example 1: append record in csv

import csv   
fields=['first','second','third']
with open(r'name', 'a') as f:
    writer = csv.writer(f)
    writer.writerow(fields)

Example 2: append to csv python

with open('document.csv','a') as fd:
    fd.write(myCsvRow)