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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 _find_files(dirpath: str) -> 'Iterable[str]': """Find files recursively. Returns a generator that yields paths in no particular order. """

    for dirpath, dirnames, filenames in os.walk(dirpath, topdown=True,
                                                followlinks=True):
        if os.path.basename(dirpath).startswith('.'):
            del dirnames[:]
        for filename in filenames:
            yield os.path.join(dirpath, filename)