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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 _cs_path_exists(fspath):
 """ Case-sensitive path existence check True False """

        if not os.path.exists(fspath):
            return False
        # make absolute so we always have a directory
        abspath = os.path.abspath(fspath)
        directory, filename = os.path.split(abspath)
        return filename in os.listdir(directory)