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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 cli(ctx, verbose):
 """ChemDataExtractor command line interface."""

    log.debug('ChemDataExtractor v%s' % __version__)
    logging.basicConfig(level=logging.DEBUG if verbose else logging.INFO)
    logging.getLogger('requests').setLevel(logging.WARN)
    ctx.obj = {}