Update Ring Website - Resources Section - Short Movies - IsNumber() Function - Ring Programming Language - Lesson 80
'<a href="https://www.youtube.com/watch?v=Bviec9utrKE&list=PLpQiqjcu7CuH063yQeQi0LQcbV4dynHgw&index=80" target="_blank">IsString() Function - Ring Programming Language - Lesson 79 </a>'
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+ '<a href="https://www.youtube.com/watch?v=OqUNXwcklSE&index=81&list=PLpQiqjcu7CuH063yQeQi0LQcbV4dynHgw" target="_blank">IsNumber() Function - Ring Programming Language - Lesson 80 </a>'
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'<a href="" target="_blank"> </a>'
