Code Signal Arcade - Problems 14 to 24 in Python - Part 2

This is the part 2 of solving Code Signal's Arcade in Python 0:30 - Alternating Sums 2:11 - Add Border 05:05 - Are Similar? 09:40 - Array Change 15:40 - Palindrome Rearranging 19:30 - Are Equally Strong 21:30 - Array Maximal Adjacent Difference 23:20 - Is IPv4 Address 26:19 - Avoid Obstacles 36:55 - Box Blur 40:30 - Minesweeper