1-liner: based on AlbaPol's creative solution for New Cities by przemyslaw.daniel - python coding challenges

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1-liner: based on AlbaPol's solution in Creative category for New Cities by przemyslaw.daniel

subnetworks = lambda n, c: len({x for x in sum(n, [])})-len(c)-sum([not set(x) & set(c) for x in n])

Oct. 25, 2017

Comments:

Marlen_Nurmakov on July 31, 2018, 4 a.m.
Didn't know of <pre class='brush: python'>sum(n, []) </pre> . But you could make set with <pre class='brush: python'>set(sum(n, [])) </pre> . And this <pre class='brush: python'>sum([not set(x) & set(c) for x in n]) </pre> is brilliant!

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