Challenge: Find k Smallest Elements in a List

Try to solve the Find k Smallest Elements in a List problem.

We'll cover the following

Statement

Given an unsorted list lst and an integer k, find the k smallest elements from the list using a Heap.

Constraints:

  • 1≤1 \leq lst.length ≤103\leq 10^3
  • 1≤1 \leq k ≤103\leq 10^3
  • −105≤-10^5 \leq lst[i] ≤105\leq 10^5

Examples

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