import argparse parser = argparse.ArgumentParser(prog= 'read_sequencer', description='Simulates Sequenceing of a FASTA file.') parser.add_argument('--file_path', help='path to FASTA file', action='store_const') parser.add_argument('--read_length', help='read length for sequencing', action='store_const') args = parser.parse_args() print(args.file_path, args.read_length)