Super simple hex to bin utility

risc.py

from sys import argv

l = 32
s = bin(int(argv[1], 16))[2:].zfill(l)

try:
    i = 2
    while argv[i]:
        argv[i] = int(argv[i])
        s = s[:l-argv[i]] + " " + s[l-argv[i]:]
        l -= argv[i]
        i += 1
except IndexError:
    print(s)