import xml.dom.minidom
xml = xml.dom.minidom.parseString("""<Inv>
...     <Sword>
...             <Name>Broad Sword</Name>
...     </Sword>
...     <Shield>
...             <Name>Big Shield</Name>
...     </Shield>
... </Inv>""")
 
# Assume only one inventory
inv = xml.getElementsByTagName("Inv")[0]
 
# Get all shields in inventory
shields = inv.getElementsByTagName("Shield")
 
# For each shield, print out its name
for shield in shields:
    # Assume shield has only one name
    name = shield.getElementsByTagName("Name")[0]
 
    # Assume name tag just has text in it
    print name.firstChild.wholeText