pico script to toggle 8 relays with reset button

from machine import Pin
import time
# debounce and interrupts to avoid triggering things too fast
debounce_time1=0
debounce_time2=0
debounce_time3=0
debounce_time4=0
debounce_time5=0
debounce_time6=0
debounce_time7=0
debounce_time8=0
interrupt_flag1=0
interrupt_flag2=0
interrupt_flag3=0
interrupt_flag4=0
interrupt_flag5=0
interrupt_flag6=0
interrupt_flag7=0
interrupt_flag8=0

# inputs and outputs
relay1 = Pin(7, Pin.OUT)
relay2 = Pin(6, Pin.OUT)
relay3 = Pin(5, Pin.OUT)
relay4 = Pin(4, Pin.OUT)
relay5 = Pin(3, Pin.OUT)
relay6 = Pin(2, Pin.OUT)
relay7 = Pin(1, Pin.OUT)
relay8 = Pin(0, Pin.OUT)
button1 = Pin(8, Pin.IN, Pin.PULL_UP)
button2 = Pin(9, Pin.IN, Pin.PULL_UP)
button3 = Pin(10, Pin.IN, Pin.PULL_UP)
button4 = Pin(11, Pin.IN, Pin.PULL_UP)
button5 = Pin(12, Pin.IN, Pin.PULL_UP)
button6 = Pin(13, Pin.IN, Pin.PULL_UP)
button7 = Pin(14, Pin.IN, Pin.PULL_UP)
button8 = Pin(15, Pin.IN, Pin.PULL_UP)
# things for the relay resets
reset = Pin(16, Pin.IN, Pin.PULL_UP) # reset all outputs
debounce_time_reset=0
interrupt_flag_reset=0

# definitions to debounce the inputs
def callback1(button1):
    global interrupt_flag1, debounce_time1
    if (time.ticks_ms()-debounce_time1) > 500:
        interrupt_flag1=1
        debounce_time1=time.ticks_ms()
def callback2(button2):
    global interrupt_flag2, debounce_time2
    if (time.ticks_ms()-debounce_time2) > 500:
        interrupt_flag2=1
        debounce_time2=time.ticks_ms()
def callback3(button3):
    global interrupt_flag3, debounce_time3
    if (time.ticks_ms()-debounce_time3) > 500:
        interrupt_flag3=1
        debounce_time3=time.ticks_ms()
def callback4(button4):
    global interrupt_flag4, debounce_time4
    if (time.ticks_ms()-debounce_time4) > 500:
        interrupt_flag4=1
        debounce_time4=time.ticks_ms()
def callback5(button5):
    global interrupt_flag5, debounce_time5
    if (time.ticks_ms()-debounce_time5) > 500:
        interrupt_flag5=1
        debounce_time5=time.ticks_ms()
def callback6(button6):
    global interrupt_flag6, debounce_time6
    if (time.ticks_ms()-debounce_time6) > 500:
        interrupt_flag6=1
        debounce_time6=time.ticks_ms()
def callback7(button7):
    global interrupt_flag7, debounce_time7
    if (time.ticks_ms()-debounce_time7) > 500:
        interrupt_flag7=1
        debounce_time7=time.ticks_ms()
def callback8(button8):
    global interrupt_flag8, debounce_time8
    if (time.ticks_ms()-debounce_time8) > 500:
        interrupt_flag8=1
        debounce_time8=time.ticks_ms()
def callback_reset(reset):
    global interrupt_flag_reset, debounce_time_reset
    if (time.ticks_ms()-debounce_time_reset) > 500:
        interrupt_flag_reset=1
        debounce_time_reset=time.ticks_ms()

# interrupts
button1.irq(trigger=Pin.IRQ_RISING, handler=callback1)
button2.irq(trigger=Pin.IRQ_RISING, handler=callback2)
button3.irq(trigger=Pin.IRQ_RISING, handler=callback3)
button4.irq(trigger=Pin.IRQ_RISING, handler=callback4)
button5.irq(trigger=Pin.IRQ_RISING, handler=callback5)
button6.irq(trigger=Pin.IRQ_RISING, handler=callback6)
button7.irq(trigger=Pin.IRQ_RISING, handler=callback7)
button8.irq(trigger=Pin.IRQ_RISING, handler=callback8)
reset.irq(trigger=Pin.IRQ_RISING, handler=callback_reset)

# begin the main program
while True:
    if interrupt_flag1 is 1:
        interrupt_flag1=0
        relay1.toggle()
    if interrupt_flag2 is 1:
        interrupt_flag2=0
        relay2.toggle()
    if interrupt_flag3 is 1:
        interrupt_flag3=0
        relay3.toggle()
    if interrupt_flag4 is 1:
        interrupt_flag4=0
        relay4.toggle()
    if interrupt_flag5 is 1:
        interrupt_flag5=0
        relay5.toggle()
    if interrupt_flag6 is 1:
        interrupt_flag6=0
        relay6.toggle()
    if interrupt_flag7 is 1:
        interrupt_flag7=0
        relay7.toggle()
    if interrupt_flag8 is 1:
        interrupt_flag8=0
        relay8.toggle()

    if interrupt_flag_reset is 1: #reset outputs
        interrupt_flag_reset=0
        relay1.value(0)
        relay2.value(0)
        relay3.value(0)
        relay4.value(0)
        relay5.value(0)
        relay6.value(0)
        relay7.value(0)
        relay8.value(0)