input: Write a function to eliminate empty tuples from a list of tuples.
  assert remove_empty([(), (), ('',), ('a', 'b'), ('a', 'b', 'c'), ('d')]) == [('',), ('a', 'b'), ('a', 'b', 'c'), 'd']
  assert remove_empty([(), (), ('',), ("python"), ("program")]) == [('',), ("python"), ("program")]  
  assert remove_empty([(), (), ('',), ("java")]) == [('',), ("java")]
output: def remove_empty(tuples_list):
      return [t for t in tuples_list if t != ()]