Python Half step sequence with Steppermotor

Code
import RPi.GPIO as GPIO

import time



# Variables



delay = 0.0055

steps = 200



GPIO.setmode(GPIO.BCM)

GPIO.setwarnings(False)



# Enable pins for IN1-4 to control step sequence



coil_A_1_pin = 18

coil_A_2_pin = 23

coil_B_1_pin = 24

coil_B_2_pin = 25



# Set pin states



GPIO.setup(coil_A_1_pin, GPIO.OUT)

GPIO.setup(coil_A_2_pin, GPIO.OUT)

GPIO.setup(coil_B_1_pin, GPIO.OUT)

GPIO.setup(coil_B_2_pin, GPIO.OUT)





# Function for step sequence



def set_step(w1, w2, w3, w4):

  GPIO.output(coil_A_1_pin, w1)

  GPIO.output(coil_A_2_pin, w2)

  GPIO.output(coil_B_1_pin, w3)

  GPIO.output(coil_B_2_pin, w4)



# loop through step sequence based on number of steps



# gives us a list so we can essentially iterate through each of the different step values

# meaning we can iterate through each "part" of the original stepping sequence

step_values = [{"w1":1, "w2":0, "w3":1, "w4":0},

                      {"w1":0, "w2":1, "w3":1, "w4":0},

                      {"w1":0, "w2":1, "w3":0, "w4":1},

                      {"w1":1, "w2":0, "w3":0, "w4":1}]





step_values1 = [{"w1":1, "w2":0, "w3":0, "w4":0},

                        {"w1":1, "w2":1, "w3":0, "w4":0},

                        {"w1":0, "w2":1, "w3":0, "w4":0},

                        {"w1":0, "w2":1, "w3":1, "w4":0},

                        {"w1":0, "w2":0, "w3":1, "w4":0},

                        {"w1":0, "w2":0, "w3":1, "w4":1},

                        {"w1":0, "w2":0, "w3":0, "w4":1},

                        {"w1":1, "w2":0, "w3":0, "w4":1}]



step_values2 = [{"w1":1, "w2":0, "w3":1, "w4":0},

                        {"w1":1, "w2":0, "w3":0, "w4":0},

                        {"w1":1, "w2":0, "w3":0, "w4":1},

                        {"w1":0, "w2":1, "w3":0, "w4":1},

                        {"w1":0, "w2":1, "w3":0, "w4":1},

                        {"w1":0, "w2":1, "w3":0, "w4":0},

                        {"w1":0, "w2":1, "w3":1, "w4":0},

                        {"w1":0, "w2":0, "w3":1, "w4":0}]









current_step_count = 0

def step_motor():

    global current_step_count

    needed_step_values = step_values[current_step_count % 4]

    set_step(needed_step_values["w1"], needed_step_values["w2"], needed_step_values["w3"], needed_step_values["w4"])

    time.sleep(delay)

    current_step_count += 1



for i in range(steps):

    step_motor()



set_step(0,0,0,0)