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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 expand_node_tpm(tpm):
 """Broadcast a node TPM over the full network. This is different from broadcasting the TPM of a full system since the last dimension (containing the state of the node) contains only the probability of *this* node being on, rather than the probabilities for each node. """

    uc = np.ones([2 for node in tpm.shape])
    return uc * tpm