Weekly Challenge 375

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. Unless otherwise stated, Copilot (and other AI tools) have NOT been used to generate the solution. It's a great way for us all to practice some coding.

Challenge , My solutions

Task 1: Single Common Word

Task

You are given two array of strings.

Write a script to return the number of strings that appear exactly once in each of the two given arrays.…