Parsing xml file using python

[chad]

Hello, all,

I am new to Python.

I need to read an XML document and ignore all XML tags and write only
those between the tags to a text file.  In other words, if I have an
XML document like so:

<tag1>This</tag1>
    <tag2>is</tag2>
       <tag3>a</tag3>
<tag1>test</tag1>

I need to write "This is a test" to a text file.  How do I achieve
this?    Thanks.