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13 lines
201 B
13 lines
201 B
1 year ago
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def otec_syn(otec, syn):
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bratr = otec.first_child
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syn.succ = bratr
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otec.first_child = syn
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syn.save()
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otec.save()
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def add_first_child(node, child):
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node.first_child = child
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node.save()
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return
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