old_contents: import logging
  
  # add a custom level to show API calls
  API_LOG_LEVEL = 15
  logging.addLevelName(API_LOG_LEVEL, 'API')
  
  # add another custom level to show API responses
  API_RESPONSE_LOG_LEVEL = 12
  logging.addLevelName(API_RESPONSE_LOG_LEVEL, 'API Response')
  
  def log_api(self, message, *args, **kwargs):
      if self.isEnabledFor(API_LOG_LEVEL):
          self._log(API_LOG_LEVEL, message, args, **kwargs)
  
  def log_api_response(self, message, *args, **kwargs):
      if self.isEnabledFor(API_RESPONSE_LOG_LEVEL):
          self._log(API_RESPONSE_LOG_LEVEL, message, args, **kwargs)
  
  logging.Logger.api_call = log_api
  logging.Logger.api_response = log_api_response
  
  logger = logging.getLogger('lib')
  
  class CustomFormatter(logging.Formatter):
      default_format = '%(levelname)s: %(message)s'
      info_format = '%(message)s'
  
      def __init__(self, fmt="%(levelno)s: %(message)s"):
          logging.Formatter.__init__(self, fmt)
  
      def format(self, record):
          # Save the original format configured by the user
          # when the logger formatter was instantiated
          format_orig = self._fmt
  
          # Replace the original format with one customized by logging level
          if record.levelno == logging.INFO:
              self._fmt = CustomFormatter.info_format
          else:
              self._fmt = CustomFormatter.default_format
  
          # Call the original formatter class to do the grunt work
          result = logging.Formatter.format(self, record)
  
          # Restore the original format configured by the user
          self._fmt = format_orig
  
          return result
  
new_contents: import logging
  
  # add a custom level to show API calls
  API_LOG_LEVEL = 15
  logging.addLevelName(API_LOG_LEVEL, 'API')
  
  # add another custom level to show API responses
  API_RESPONSE_LOG_LEVEL = 12
  logging.addLevelName(API_RESPONSE_LOG_LEVEL, 'API Response')
  
  def log_api(self, message, *args, **kwargs):
      if self.isEnabledFor(API_LOG_LEVEL):
          self._log(API_LOG_LEVEL, message, args, **kwargs)
  
  def log_api_response(self, message, *args, **kwargs):
      if self.isEnabledFor(API_RESPONSE_LOG_LEVEL):
          self._log(API_RESPONSE_LOG_LEVEL, message, args, **kwargs)
  
  logging.Logger.api_call = log_api
  logging.Logger.api_response = log_api_response
  
  logger = logging.getLogger('lib')
  
  class CustomFormatter(logging.Formatter):
      # default_format = '%(levelname)s: %(message)s'
      default_format = '%(levelname)s: %(message)s'
      info_format = '%(message)s'
  
      # previous default: "%(levelno)s: %(message)s"
      def __init__(self, fmt="%(message)s"):
          logging.Formatter.__init__(self, fmt)
  
      def format(self, record):
          # Save the original format configured by the user
          # when the logger formatter was instantiated
          format_orig = self._fmt
  
          # Replace the original format with one customized by logging level
          if record.levelno == logging.INFO:
              self._fmt = CustomFormatter.info_format
          else:
              self._fmt = CustomFormatter.default_format
  
          # Call the original formatter class to do the grunt work
          result = logging.Formatter.format(self, record)
  
          # Restore the original format configured by the user
          self._fmt = format_orig
  
          return result
  
subject: Remove number from log messages