finding element by tag in xml

[sWrath swrath]

Hi

I am trying to search an element by tag and new in reading a xml file
(in python). I coded this , but it did not work

----------------------------------------------
'''This is to detect the first element and print out all that element
by tag'''


from xml.dom.minidom import parse
from xml.etree.ElementTree import*

file1="book.xml"
tmptree=ElementTree()
tmptree.parse(file1)
items=root.getiterator()


dom = parse(file1)


#Find tag names
for node in items :
    if node.tag == 'author': #Get tag
        print dom.getElementsByTagName ('book') #Error 1



-----------------------------------------------------------------------------'
2 Questions

1. Why can't I use dom.getElementsByTagName('book') in #Error 1? How
do i print the elements ?
      Error- AttributeError: ElementTree instance has no attribute
'getElementsByTagName'



Thanks
John