from xml.etree import ElementTree as ET

dom = ET.parse("xml-sample-file.xml")
rows = dom.findall('row')

s = {}
for element in rows:
    n = element.find('name').text
    c = int(element.find('creditBalance').text)
    if c > 50:
        s[n] = c

print(s)
    # pull names of custommers with credit ballance over 50