input: Write a python function that eliminates all empty sublists from a provided list of lists.
  assert remove_all_empty([[], [], [], 'Red', 'Green', [1,2], 'Blue', [], []]) == ['Red', 'Green', [1, 2], 'Blue']
  assert remove_all_empty([[], [], [],[],[], 'Green', [1,2], 'Blue', [], []]) == [ 'Green', [1, 2], 'Blue']
  assert remove_all_empty([[], [], [], 'Python',[],[], 'programming', 'language',[],[],[], [], []]) == ['Python', 'programming', 'language']
output: def remove_all_empty(lst):
      return [sublist for sublist in lst if sublist != []]