import os alphabet = 'abcdefghijklmnopqrstuvwxyz ' with open(os.path.join(os.path.dirname(__file__), 'fsa_description.arg'), 'w') as file: for c in alphabet: for i in range(0, 6): file.write(f'{i}\t0\t{c}\n') file.write(f'6\t6\t{c}\n') file.write('6')