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A re-usable Python micro-library that finds all of the subsequences shared between two sequences (like strings or lists) in polynomial time.

Released under the MIT license. Don't forget to be awesome. Find the number of common subsequences between two collections. This function finds the number of common subsequences between two ...
GitHub

0730._Count_Different_Palindromic_Subsequences.md

Given a string S, find the number of different non-empty palindromic subsequences in S, and return that number modulo 10^9 + 7. A subsequence of a string S is obtained by deleting 0 or more characters ...