Python - please provide the function for the problem

Problem 2

Given a list of integers L, a number A, and an integer k, find k consecutive numbers in L that add up to A.

Explain or describe your solution in English.

Examples:

Input: L = [10,5,20,8], A = 25, k = 2. Output: [5,20]

Input: L = [10,5,20,8], A = 35, k = 3. Output: [10,5,20]

Input: L = [10,5,20,8], A = 35, k = 2. Output: None