old_contents: import sys
  from pprint import pprint as pp  # convenience
  
  try:
      from rich import pretty
  except ImportError:
      pass
  else:
      pretty.install()
      del pretty
  
  sys.ps1 = '\001\033[96m\002>>> \001\033[0m\002'
  sys.ps2 = '\001\033[96m\002... \001\033[0m\002'
  
new_contents: import sys
  from pprint import pprint as pp  # convenience
  
  try:
      from rich import pretty
  except ImportError:
      pass
  else:
      pretty.install()
      del pretty
  
  def chunk(elems, n):
      for i in range(0, len(elems), n):
          yield elems[i:i+n]
  
  sys.ps1 = '\001\033[96m\002>>> \001\033[0m\002'
  sys.ps2 = '\001\033[96m\002... \001\033[0m\002'
  
subject: Add chunk()