input: Write a function to print out the largest value from a given list of numbers.
  
  def get_max_value(numbers): 
      return max(numbers)
  
  list1 = [2, 4, 1, 6]
  assert get_max_value(list1) == 6
  
  list2 = [10, 20, 30, 40]
  assert get_max_value(list2) == 40
  
  list3 = [-1, -5, -3, 0]
  assert get_max_value(list3) == 0
  
  list4 = [7]
  assert get_max_value(list4) == 7
output: def get_max_value(numbers): 
      return max(numbers)