Family tree in Python

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I need to model a four generational family tree starting with a couple. After that if I input a name of a person and a relation like 'brother' or 'sister' or 'parent' my code should output the person's brothers or sisters or parents. I have a fair bit of knowledge of python and self taught in DSA. I think I should model the data as a dictionary and code for a tree DS with two root nodes(i.e, the first couple). But I am not sure how to start. I just need to know how to start modelling the family tree and the direction of how to proceed to code. Thank you in advance!

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There's plenty of ways to skin a cat, but I'd suggest to create:

  1. A Person class which holds relevant data about the individual (gender) and direct relationship data (parents, spouse, children).
  2. A dictionary mapping names to Person elements.

That should allow you to answer all of the necessary questions, and it's flexible enough to handle all kinds of family trees (including non-tree-shaped ones).

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