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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def _get_scripts_resource(pe):
 """Return the PYTHONSCRIPT resource entry."""

    res = None
    for entry in pe.DIRECTORY_ENTRY_RESOURCE.entries:
        if entry.name and entry.name.string == b"PYTHONSCRIPT":
            res = entry.directory.entries[0].directory.entries[0]
            break
    return res