Writing Functional programs

Question 1

What is a map function?

Answer 1

The map function applies a given function to each of the elements in a list to form another list with results in the same order

Question 2

What is a filter function?

Answer 2

Filter function is a higher-order function that processes a list or data structure to create a new list containing elements that match the specified criteria

Question 3

What is a reduce/fold function?

Answer 3

Reduce or fold function is a method that can be used to reduce a list to a single value by combining the list using recursive function.