Solution: A List as a Subset of Another List

Let’s solve the A List as a Subset of Another List problem.

We'll cover the following

Statement

Given two lists, list1 and list2, implement a function that takes the two lists as input and checks whether list2 is a subset of list1.

A subset is a set containing only elements present in another set.

Constraints:

  • 1≤1 \leq list1.length ≤103\leq 10^{3}
  • 0≤0 \leq list2.length ≤\leq list1.length
  • 10−3≤10^{-3} \leq list1[i] , list2[i] ≤103\leq 10^{3}
  • All the numbers of list1 and list2 are unique

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