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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 _dist_info_files(whl_zip):
 """Identify the .dist-info folder inside a wheel ZipFile."""

    res = []
    for path in whl_zip.namelist():
        m = re.match(r'[^/\\]+-[^/\\]+\.dist-info/', path)
        if m:
            res.append(path)
    if res:
        return res
    raise Exception("No .dist-info folder found in wheel")