input: Write a python function to remove elements from one list that are present in another list.
  assert remove_from_list([1, 2, 3, 4, 5, 6], [2, 4, 6])==[1, 3, 5]
  assert remove_from_list([10, 20, 30, 40, 50], [20, 40])==[10, 30, 50]
  assert remove_from_list([7, 8, 9, 10], [8, 10])==[7, 9]
output: def remove_from_list(main_list, remove_list):
      return [item for item in main_list if item not in remove_list]