input: Write a function to print all the elements from a given list that are greater than 50. If the list is empty, print "No elements in the list".
  
  assert print_nums([2, 60, 5, 4, 78, 32, 99]) == None
  assert print_nums([]) == "No elements in the list"
output: def print_nums(lst):
      if not lst:
          print("No elements in the list")
      else:
          for num in lst:
              if num > 50:
                  print(num)