The greatest array

Weekly Challenge 264

Each week Mohammad S. Anwar sends out The Weekly Challenge, a chance for all of us to come up with solutions to two weekly tasks. My solutions are written in Python first, and then converted to Perl. It's a great way for us all to practice some coding.

Challenge, My solutions

Task 1: Greatest English Letter

Task

You are given a string, $str, made up of only alphabetic characters [a..zA..Z].

Write a script to return …

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