# imports the libraries needed
from machine import Pin
import time

# assign switch GPIO terminal
switch_terminal = 15

# assign led GPIO terminal
led_terminal = 16

# configure the GPIO pin to Output
led_pin = Pin(led_terminal, mode=Pin.OUT)

# configure the GPIO pin to Input (responds when theres an input voltage)
switch_pin = Pin(switch_terminal, mode=Pin.IN, pull=Pin.PULL_DOWN)

# function to control the turning On/Off of LED
def control_led(input_value):
    # make the declared variable accessible
    global led_pin
    # this controls the LED output based on the input value
    led_pin.value(input_value)
    # returns to where it was called from
    return

# main routine
while 1:
    # check if the push button is pressed
    if switch_pin.value() == 1:
        # repeat the loop 30 times
        for i in range(1, 30):
            # turn LED On
            control_led(1)
            # delays for 1 second
            time.sleep(1)
            # turn LED Off
            control_led(0)
            # delays for 1 second
            time.sleep(1)

    # do this if the push button is not pressed
    else:
        # turn LED Off
        control_led(0)