1-liner: sympy.topological_sort creative solution for Determine the Order by Phil15 - python coding challenges

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1-liner: sympy.topological_sort solution in Creative category for Determine the Order by Phil15

checkio=lambda W,T=__import__('sympy').topological_sort:''.join(T((set.union(*map(set,W)),{(c,s)for w in W for i,s in enumerate(w)for c in {*w[:i]}-{s}})))

Nov. 19, 2020

Comments:

not_real on April 10, 2021, 7:13 p.m.
⛳👍 Liked <a href="https://docs.sympy.org/latest/modules/utilities/iterables.html#sympy.utilities.iterables.topological_sort">topological_sort</a>

Phil15 on April 11, 2021, 7 a.m.
Yeah it's useful to know that sympy implements such algorithm. Note I published a much clearer version of it in the 3rd party category <a href="https://py.checkio.org/mission/determine-the-order/publications/Phil15/python-3/sympytopological_sort/">here</a>.

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