How to Get Every nth Element from a List in .NET 3.5?

Retrieving Every nth Element from a List

In .NET 3.5, obtaining every nth item from a List can be achieved through different methods. Here's one solution using a lambda expression and LINQ:

return list.Where((x, i) => i % nStep == 0);

This expression creates a new list that includes only the elements from the original list where the index i is divisible by the step size nStep. For example, if the original list contains [1, 2, 3, 4, 5, 6, 7, 8, 9, 10] and you want to obtain every third element, you would use nStep as 3, resulting in the output list [1, 4, 7, 10].

As mentioned in the original question's edit, there are multiple approaches to solving this problem. Exploring different solutions not only provides alternative perspectives but also enhances problem-solving skills and expands programming knowledge.

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