input: Write a python function to find the maximum value in a list.
  assert find_max_value([1, -5, 8, 10, -2]) == 10
  assert find_max_value([3, 9, -1, 0, 12]) == 12
  assert find_max_value([7, 2, 5, 1, 6]) == 7
output: def find_max_value(lst):
      return max(lst)