#read file, this way no need to close reader with open('test.txt') as my_file: print(my_files.readlines()) #to write we specify second param for open with open('test.txt', 'r+') as my_file: text = my_file.write(':)') print(text) # r+ will over write the content, if file not exists throws exception # w wil just replace whole content, this also creates a new file if file not exists. #a appends the given content #exceeptions try: with open('test.txt', 'r+') as my_file: text = my_file.write(':)') print(text) except FileNotFountError as err: print('File does not exist.') raise err