M5Stack Faces Calculator

from m5stack import *
from m5ui import *
from uiflow import *
import face

setScreenColor(0x222222)



faces_calc = face.get(face.CALC)

input2 = None
sum2 = None
result = None



lcd.fill(0x000000)
input2 = '0'
sum2 = []
result = 0
lcd.font(lcd.FONT_DejaVu40)
while True:
  lcd.print(input2, 0, 0, 0xffffff)
  lcd.print(result, 0, 200, 0xffffff)
  print(sum2)
  if (faces_calc.readKey()) > 42 and (faces_calc.readKey()) < 66:
    input2 = faces_calc.readStr()
  if input2[0] == 'A' or input2[-1] == 'A':
    faces_calc.clearStr()
    input2 = '0'
    result = 0
    sum2 = []
    lcd.clear()
  if input2[-1] == '+':
    input2 = input2.replace('+', '')
    sum2.insert(0, int(input2))
    faces_calc.clearStr()
    input2 = '0'
    lcd.clear()
  elif input2[-1] == '=' and result <= 0:
    input2 = input2.replace('=', '')
    sum2.insert(0, int(input2))
    input2 = '0'
    result = sum(sum2)
    faces_calc.clearStr()
    lcd.clear()
  elif input2[0] == '+':
    faces_calc.clearStr()
  wait_ms(2)