You are given a two dimensional array containing arrays of strings as an argument. Each string element will be either a _, ., or |. These symbols are used to form boxes in the array. Return true if each _ and | is the side of a box, false if not.

Requirements

• Must return either true or false

Example #1

solve([
  ['.', '_', '_', '.', '.'],
  ['.', '|', '|', '.', '.'],
  ['.', '_', '_', '.', '.']
])
> true

Return true since each _ and | forms the sides of a box.

Example #2

solve([
  ['.', '_', '_', '.', '.'],
  ['.', '.', '|', '.', '.'],
  ['.', '_', '_', '.', '.']
])
> false

Return false because the box is missing its left | wall