Map Practice

map_practice.md

  numbers = [5,1,13,2,7,9,10]

1. Use each to return an array with every element in the numbers array doubled.
2. Refactor the code you implemented for #1 above to use map instead of each.
3. Use each to return true if the element is even and return false if the element is odd.
4. Refactor the code you implemented for #3 above to use map instead of each.