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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 _deep_value(*args, **kwargs):
 """ Drills down into tree using the keys """

    node, keys = args[0], args[1:]
    for key in keys:
        node = node.get(key, {})
    default = kwargs.get('default', {})
    if node in ({}, [], None):
        node = default
    return node