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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 config_prov(config):
 """Read providers from configfile and de-duplicate it."""

    try:
        providers = [e.strip() for e in (config['info']
                                         ['providers']).split(',')]
    except KeyError as e:
        print("Error reading config item: {}".format(e))
        sys.exit()
    providers = list(OrderedDict.fromkeys(providers))
    return providers