Basic file reading, writing and argument operations in python

basic_file_read.py

#!/usr/bin/env python2.7

import sys, os
fileName = sys.argv[1] if len(sys.argv) > 1 else "default"
cwd = os.getcwd()

path = os.path.join(cwd, "{}.txt".format(fileName))

print "File:"
print path
print ""

if os.path.isfile(path):
	file = open(path, 'r')
	contents = file.read()
else:
	file = open(path, 'w')
	contents = 'Hebelek ?'
	file.write(contents)
	print "New file created"

file.close()
print "File contents"
print contents

Clean and comprehensible. Thank you for sharing.