program which will generate flowchart of codes given by user

import pygame
import os
import glob

def list_all_images(directory):
  return [os.path.basename(f) for f in glob.glob(directory + "*")] 

def draw_flowchart(draw, flowchart_input_text, flowchart_output_text, flowchart_flow_text):
  print(flowchart_input_text)
  print(flowchart_output_text)
  print(flowchart_flow_text)
  flowchart_input_array = flowchart_input_text.split(',')
  flowchart_output_array = flowchart_output_text.split(',')
  flowchart_flow_array = flowchart_flow_text.split(',')
  
  for i in range(0, len(flowchart_input_array)):
    draw.rect(screen, (0,0,0), (100,100+50*i, 40, 40), 0)
    draw.rect(screen, (0,0,0), (100,100+50*i+40,