def combine_dicts(dicts_tuple):
    ret = {}
    for prefix,dictionary in dicts_tuple:
        for key in dictionary.keys():
            ret['%s%s' % (prefix, key)] = dictionary[key]
    return ret
Walk over reviews, emitting each word and its rating.
dataset/ETHPy150Open yosinski/deep-visualization-toolbox/misc.py/combine_dicts--crossover with--dataset/ETHPy150Open Yelp/dataset-examples/positive_category_words/simple_global_positivity.py/PositiveWords.review_mapper