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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 __VersionIsSupported(desiredVersion, serviceVersionDescription):
 """ Private method that returns true if the service version description document indicates that the desired version is supported @param desiredVersion: The version we want to see if the server supports (eg. vim.version.version2. @type desiredVersion: string @param serviceVersionDescription: A root ElementTree for vimServiceVersions.xml or vimService.wsdl. @type serviceVersionDescription: root ElementTree """


   root = serviceVersionDescription
   if root.tag == 'namespaces':
      # serviceVersionDescription appears to be a vimServiceVersions.xml document
      if root.get('version') != '1.0':
         raise RuntimeError('vimServiceVersions.xml has version %s,' \
             ' which is not understood' % (root.get('version')))
      desiredVersionId = versionIdMap[desiredVersion]
      supportedVersion = None
      for namespace in root.findall('namespace'):
         versionId = namespace.findtext('version')
         if versionId == desiredVersionId:
            return True
         else:
            for versionId in namespace.findall('priorVersions/version'):
               if versionId.text == desiredVersionId:
                  return True
   else:
      # serviceVersionDescription must be a vimService.wsdl document
      wsdlNS = 'http://schemas.xmlsoap.org/wsdl/'
      importElement = serviceVersionDescription.find('.//{%s}import' % wsdlNS)
      supportedVersion = versionMap[importElement.get('namespace')[4:]]
      if IsChildVersion(supportedVersion, desiredVersion):
         return True
   return False