Exercise: is_between
Add a function to Test::MyTools called is_between that will check if the received value is between two given values: is_between($lower_limit, $real_value, $upper_limit, $name);
Add a function to Test::MyTools called is_between that will check if the received value is between two given values: is_between($lower_limit, $real_value, $upper_limit, $name);