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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 _CheckWindowsRegistryKeyPath( self, filename, artifact_definition, key_path):
 """Checks if a path is a valid Windows Registry key path. Args: filename (str):
 name of the artifacts definition file. artifact_definition (ArtifactDefinition):
 artifact definition. key_path (str):
 Windows Registry key path to validate. Returns: bool: True if the Windows Registry key path is valid. """

    result = True
    key_path_segments = key_path.lower().split('\\')

    if key_path_segments[0] == '%%current_control_set%%':
      result = False
      logging.warning((
          'Artifact definition: {0:s} in file: {1:s} contains Windows '
          'Registry key path that starts with '
          '%%CURRENT_CONTROL_SET%%. Replace %%CURRENT_CONTROL_SET%% with '
          'HKEY_LOCAL_MACHINE\\System\\CurrentControlSet').format(
              artifact_definition.name, filename))

    for segment_index, key_path_segment in enumerate(key_path_segments):
      if key_path_segment.startswith('%%') and key_path_segment.endswith('%%'):
        if (segment_index == 1 and key_path_segment == '%%users.sid%%' and
            key_path_segments[0] == 'hkey_users'):
          continue

        if key_path_segment.startswith('%%environ_'):
          result = False
          logging.warning((
              'Artifact definition: {0:s} in file: {1:s} contains Windows '
              'Registry key path that contains an environment variable: '
              '"{2:s}". Usage of environment variables in key paths is not '
              'encouraged at this time.').format(
                  artifact_definition.name, filename, key_path_segment))

        elif key_path_segment.startswith('%%users.'):
          result = False
          logging.warning((
              'Artifact definition: {0:s} in file: {1:s} contains Windows '
              'Registry key path that contains a users variable: "{2:s}". '
              'Usage of users variables in key paths, except for '
              '"HKEY_USERS\\%%users.sid%%", is not encouraged at this '
              'time.').format(
                  artifact_definition.name, filename, key_path_segment))

    return result