input: Write a python function to find the minimum value in a list.
  assert findMin([3, 4, 12, 19, 5, 17]) == 3
  assert findMin([10, 20, 30, 40, 50]) == 10
  assert findMin([-1, -2, -3, -4, -5]) == -5
output: def findMin(lst):
      return min(lst)