Using XPath in ElementTree

Question

My XML file looks like the following:

Answer 1

One of the most straight forward approach and works even with python 3.0 and other versions is like below:

It just takes the root and starts getting into it till we get the specified "Amount" tag

 from xml.etree import ElementTree as ET
 tree = ET.parse('output.xml')
 root = tree.getroot()
 #print(root)
 e = root.find(".//{http://webservices.amazon.com/AWSECommerceService/2008-08-19}Amount")
 print(e.text)