new_contents: #!/usr/bin/python3.4
  # -*-coding:Utf-8 -*
  '''module to manage list of all know version of Blender in the system'''
  import xml.etree.ElementTree as xmlMod
  
  
  class VersionList:
  	'''class dedicated to Blender version managing'''
  	
  	
  	def __init__(self, xml= None):
  		'''initialize Blender version list with default value or values extracted from an xml object'''
  		if xml is None:
  			self.defaultInit()
  		else:
  			self.fromXml(xml)
  	
  	
  	
  	
  	
  	def defaultInit(self):
  		'''initialize Blender version list with default value'''
  		
  	
  	
  	
  	
  	
  	def fromXml(self, xml):
  		'''initialize Blender version list with values extracted from an xml object'''
  		
  	
  	
  	
  	
  	
  	def toXml(self):
  		'''export Blender version list into xml syntaxed string'''
  		return ''
  	
  	
  	
  	
  	
  	def see(self, log):
  		'''method to see Blender version list and access edition menu'''
  		
  	
  	
  	
  	
  	
  	
  	
  	
  	
  	
  	
  
subject: create VersionList module and class to manage the list of blender version installed on user system