Final circuitpython keypad with minimal dependencies

main.py

# Import all necessary libraries
import board
import touchio
from digitalio import DigitalInOut, Direction, Pull
from adafruit_hid.keyboard import Keyboard
from adafruit_hid.keyboard_layout_us import KeyboardLayoutUS

# Change these values for what you want each key to print when pressed
keys_pressed = ["Button 1 ", "Button 2 ", "Button 3 "]

button1 = DigitalInOut(board.D0) # Pin assignment for button 1
button1.direction = Direction.INPUT
button1.pull = Pull.UP

button2 = DigitalInOut(board.D2) # Pin assignment for button 2
button2.direction = Direction.INPUT
button2.pull = Pull.UP

screw = board.D4  # Pin assignmnet for side screw
touch = touchio.TouchIn(screw)

# Set up keyboard
kbd = Keyboard()
layout = KeyboardLayoutUS(kbd)  # Set US layout

# Keeps keys from being constantly pressed/released
button1Check=1
button2Check=1
button3Check=0 # Inverted to avoid press at startup

######################### MAIN LOOP ##############################
while True:

  if not button1.value: # If the button isn't pressed...
      if button1Check: # Check value so it only does this once per press
      	layout.write(keys_pressed[0]) # Print string
      	button1Check = 0 # Update check value
  if button1.value: # If button is pressed...
      button1Check = 1 # Update check value

  if not button2.value:
      if button2Check:
      	layout.write(keys_pressed[1])
      	button2Check = 0
  if button2.value:
      button2Check = 1

  if not touch.value:
      if button3Check:
      	layout.write(keys_pressed[2])
      	button3Check = 0
  if touch.value:
      button3Check = 1