better-error-handling.py

class ExtendedException(Exception):
  """This exception extends functionality"""
  error_message = None
  error_code = None

  def __init__(self, error_message = None, error_code = None):
    self.error_message = error_message
    self.error_code = error_code

try:
  raise ExtendedException("This is error", 400)
except ExtendedException as e:
  print(f"Error message: {e.error_message}, Error code: {e.error_code}")