👉 "pdl" is a word in the English language that means "partially distributed list." It's often used to describe a list where each element has some value, but not all elements have the same value. For example, if you have two lists of integers, one with 5 numbers and another with 4 numbers, you can combine them into a single list by taking the first 5 elements from the first list and the last 4 elements from the second list. In mathematics,