help in xml with wxpython

hi all
my manager gave me a task i can not make it's about making interface that deal with xml tags of data as visual basic application do but in wxpython on linux it' about making a crud application depending on xml file to store data in tags and retrieve them list them and updating them or deleting them

can any one help me with a sample code to get start as soon as possible
thanks in advance
hatem gamal