import argparse

parser = argparse.ArgumentParser(description='Converts to Python file.')
parser.add_argument('filename', help='an integer for the accumulator')

args = parser.parse_args()

if args.filename:
    try:
        with open(args.filename,'r') as f:
            with open('commands_python.py','w') as out:
                for line in f:
                    out.write(line)
            print("Done.")
    except (FileNotFoundError, IOError):
        print("Wrong file or file path")