input: Write a function to print out the largest value from a given list of numbers. If the list is empty, the function should print "No numbers in the list."
  
  def get_max_value(numbers):
      if not numbers:
          print("No numbers in the list.")
      else:
          print(max(numbers))
  
  list = [2, 4, 1, 6]
  get_max_value(list)  # 6
  
  list = []
  get_max_value(list)  # No numbers in the list.
output: def get_max_value(numbers):
      if not numbers:
          print("No numbers in the list.")
      else:
          print(max(numbers))