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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def _get_parameter_conversion_entry(parameter_config):
 """Get information needed to convert the given parameter to its API type. Args: parameter_config: The dictionary containing information specific to the parameter in question. This is retrieved from request.parameters in the method config. Returns: The entry from _PARAM_CONVERSION_MAP with functions/information needed to validate and convert the given parameter from a string to the type expected by the API. """

  entry = _PARAM_CONVERSION_MAP.get(parameter_config.get('type'))

  # Special handling for enum parameters.  An enum's type is 'string', so we
  # need to detect them by the presence of an 'enum' property in their
  # configuration.
  if entry is None and 'enum' in parameter_config:
    entry = _PARAM_CONVERSION_MAP['enum']

  return entry