[Python] Recursively search for parent child combinations and build tree in python and XML

I am trying to traverse this XML data full of parent->child relationships and need a way to build a tree. Any help will be really appreciated. Also, in this case, is it better to have attributes or nodes for the parent-->child relationship?

<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<nodes>
<node name="Car" child="Engine"/>
<node name="Car" child="Wheel"/>
<node name="Engine" child="Piston"/>
<node name="Engine" child="Carb"/>
<node name="Carb" child="Bolt"/>
<node name="Spare Wheel"/>
<node name="Bolt" child="Thread"/>
<node name="Carb" child="Foat"/>
<node name="Truck" child="Engine"/>
<node name="Engine" child="Bolt"/>
<node name="Wheel" child="Hubcap"/>
</nodes>


On the Python Script, this is what i have. My brain is fried and I cannot get the logic going? please help

import xml.etree.ElementTree as ET
tree = ET.parse('rec.xml')
root = tree.getroot()
def find_node(data,search):
#str = root.find('.//node[@child="1.2.1"]')
for node in data.findall('.//node'):
if node.attrib['name']==search:
print('Child-->', node)

for nodes in root.findall('node'):
parent = nodes.attrib.get('name')
child = nodes.attrib.get('child')
print (parent,'-->', child)
find_node(root,child)


A possible output that is expected is something like this (really dont care about the sorting order, As long as all node items are represented somewhere in the tree.

Car --> Engine --> Piston
Car --> Engine --> Carb --> Float
Car --> Engine --> Carb --> Bolt --> Thread
Car --> Wheel --> Hubcaps
Truck --> Engine --> Piston
Truck --> Engine --> Carb --> Bolt --> Thread
Truck --> Loading Bin
Spare Wheel -->

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