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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 walk_recursive(f, data):
 """ Recursively apply a function to all dicts in a nested dictionary :param f: Function to apply :param data: Dictionary (possibly nested) to recursively apply function to :return: """

    results = {}
    if isinstance(data, list):
        return [walk_recursive(f, d) for d in data]
    elif isinstance(data, dict):
        results = funcy.walk_keys(f, data)

        for k, v in data.iteritems():
            if isinstance(v, dict):
                results[f(k)] = walk_recursive(f, v)
            elif isinstance(v, list):
                results[f(k)] = [walk_recursive(f, d) for d in v]
    else:
        return f(data)

    return results