Structure of xml

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Input XML FILE:
<?xml version="1.0"?>
<note>
    <to cat="head">
        <cc>Arun</cc>
        <cc>Vibin</cc>
    </to>
    <from>
        <bc>Jani</bc>
        <bc>ishya</bc>
    </from>    
</note>

EXPLAIN:
<note>------->parent Element
<to>,<from>-->Child Element
<cc>,<bc>----->siblings
cat----------->attribute

Strcture Tree Diagram: