code: def print_categories(categories, colors):
      
      for i in range(len(categories)):
          if colors:
              sys.stdout.write(f'\033[{colors[i]}m') # Start to write colorized.
  
          sys.stdout.write(TICK + ' ' + categories[i] + '  ')
          if colors:
              sys.stdout.write('\033[0m') # Back to original.
  
      print('\n\n')
docs: Print a tick and the category's name for each category above
         the graph.