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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 DictKeys(keys):
 """ Checks if dict has all given keys :param keys: :type keys: "{'a': 1, 'b': 2}" {'c': 'c is not allowed key'} {'key2': 'is required'} """

    req = [(Key(key), Any) for key in keys]
    return Dict(dict(req))