This is the part 4 of solving Code Signal's Arcade in Python
0:16 - Extract Each Kth
1:30 - First Digit
2:15 - Different Symbols Naive
3:09 - Array Max Consecutive Sum
8:25 - Growing Plant
15:00 - Knapsack Light
19:47 - Longest Digits Prefix
22:35 - Digit Degree
24:20 - Bishop and Pawn
34:02 - Is Beautiful String
36:40 - Find Email Domain
39:10 - Build Palindrome
54:34 - Elections Winners
58:40 - Is MAC48 Address