from sys import argv, exit
import csv
import re
if len(argv) < 2:
    print("mising command-line argument")
    exit(1)
pattern = "name"
with open(argv[1], newline = '') as csvfile:
    print("using reader()")
    #myreader = reader(csvfile, delimiter = ' ') # name reader is not defined
    myreader = csv.reader(csvfile, delimiter = ' ')
    nucstr = next(myreader)[1:]
    print(nucstr)