file_handling.py

import os

def create_file(filename):
	try:
		with open(filename, 'w') as f:
			f.write('Hello, world!\n')
		print("File " + filename + " created successfully.")
	except IOError:
		print("Error: could not create file " + filename)

def read_file(filename):
	try:
		with open(filename, 'r') as f:
			contents = f.read()
			print(contents)
	except IOError:
		print("Error: could not read file " + filename)

def append_file(filename, text):
	try:
		with open(filename, 'a') as f:
			f.write(text)
		print("Text appended to file " + filename + " successfully.")
	except IOError:
		print("Error: could not append to file " + filename)

def rename_file(filename, new_filename):
	try:
		os.rename(filename, new_filename)
		print("File " + filename + " renamed to " + new_filename + " successfully.")
	except IOError:
		print("Error: could not rename file " + filename)

def delete_file(filename):
	try:
		os.remove(filename)
		print("File " + filename + " deleted successfully.")
	except IOError:
		print("Error: could not delete file " + filename)


if __name__ == '__main__':
	filename = "example.txt"
	new_filename = "new_example.txt"

	create_file(filename)
	read_file(filename)
	append_file(filename, "This is some additional text.\n")
	read_file(filename)
	rename_file(filename, new_filename)
	read_file(new_filename)
	# delete_file(new_filename)