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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 _priority_key(pep8_result):
 """Key for sorting PEP8 results. Global fixes should be done first. This is important for things like indentation. """

    priority = [
        # Fix multiline colon-based before semicolon based.
        'e701',
        # Break multiline statements early.
        'e702',
        # Things that make lines longer.
        'e225', 'e231',
        # Remove extraneous whitespace before breaking lines.
        'e201',
        # Shorten whitespace in comment before resorting to wrapping.
        'e262'
    ]
    middle_index = 10000
    lowest_priority = [
        # We need to shorten lines last since the logical fixer can get in a
        # loop, which causes us to exit early.
        'e501'
    ]
    key = pep8_result['id'].lower()
    try:
        return priority.index(key)
    except ValueError:
        try:
            return middle_index + lowest_priority.index(key) + 1
        except ValueError:
            return middle_index