gistfile1.py

import xml.etree.ElementTree as ET


def get_hosts(xml_file):
    ''' xml.file -> list
    For every sin in a given xml_file, return a list containing the FQDN.
    '''
    tree = ET.parse(xml_file)
    root = tree.getroot()
    sins = []
    for server in root.iter('sin'):
        hostname = server.get('host')
        sins.append(hostname)
    else:
        return sins


def count_hosts(xml_file):
    ''' string --> int
    For a given xml_file return the integer count of sins.
    count_hosts(env.xml)
    >>>24
    '''
    tree = ET.parse(xml_file)
    root = tree.getroot()
    count = 0
    for server in root.iter('sin'):
        count += 1
    else:
        return count