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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 node_labels(node_labels, node_indices):
 """Validate that there is a label for each node."""

    if len(node_labels) != len(node_indices):
        raise ValueError("Labels {0} must label every node {1}.".format(
            node_labels, node_indices))

    if len(node_labels) != len(set(node_labels)):
        raise ValueError("Labels {0} must be unique.".format(node_labels))