# Append mode will add data to the end of the file.
# Write mode will overwrite the file.
# Either mode will create the file automatically if it doesn't already exist,
#
logfile = open('test.log', 'w')
logfile.write('test succeeded')
logfile.close()
print file('test.log').read()
logfile = open('test.log', 'a')
logfile.write('line 2')
logfile.close()
print file('test.log').read()