input: Write a python function to print the front elements from multiple queues.
  assert print_front_elements_from_queues([[5, 3, 9], [7, 2, 6]])==None # This should print 5 and 7
  assert print_front_elements_from_queues([[1, 2], [3, 4], [5, 6]])==None # This should print 1, 3 and 5
  assert print_front_elements_from_queues([[8, 7, 6], [2, 4], [0]])==None # This should print 8, 2 and 0
output: def print_front_elements_from_queues(queues):
      for queue in queues:
          if queue:
              print(queue[0])