A script for raspberry pi to send value(s) to shift register(s) (74HC595) (python3.6)

send.py

import RPi.GPIO as io
import time

SH = 17
DS = 27
ST = 22

def send(value):
	io.output(DS,0)
	io.output(SH,0)
	for i in range(8):
		io.output(DS,((value >> i) & 1))
		io.output(SH,1)
		time.sleep(0.1)
		io.output(SH,0)
		time.sleep(0.1)
	io.output(ST,1)
	time.sleep(0.1)
	io.output(ST,0)
	time.sleep(0.1)
io.setwarnings(False)
io.setmode(io.BCM)
io.setup(DS,io.OUT)
io.setup(SH,io.OUT)
io.setup(ST,io.OUT)

while True:
	print(f"SH = {SH}, DS = {DS}, ST = {ST}")
	print("enter bytes(s) (in decimal) to send:")
	try:
		send(int(input()))
	except Exception as e:
		print(e)