Parsing XML

#!/usr/bin/python
'''
Importing element tree from xml.etree
'''
import xml.etree.ElementTree as ET
'''
Import dictionary which will be having values as list
'''
from collections import defaultdict
d = defaultdict(list)

'''
Loop to pring the name, instance id, memory, and vcpu count of the instances.
Instances dumpxml files are provided as input files.
Creating dictionary in which searched parameter will be the keys and values are instance specific information 
'''
for i in ('name', 'uuid', 'memory', 'vcpu'):
    for j in ('domain1.xml', 'domain2.xml', 'domain3.xml'):
        tree = ET.parse(j)
        root = tree.getroot()
        for child in root.iter(i):
            d[child.tag].append(child.text)
'''
Printing the collected dictionary
'''
for row in zip(*([k] + d[k] for k in sorted(d))):
        print(row)



###### Output ######


('memory', 'name', 'uuid', 'vcpu')
('6242304', 'allinone-7', '63d91bd8-bcb1-477b-ba44-9202f0d7dca5', '4')
('4194304', 'allinone8', '11a15484-4f0e-41c3-afab-bab212a54fb1', '4')
('5218304', 'allinone7', '0cb0309e-e58b-4d75-9d2e-9269ab5b3f9c', '4')