input: Write a python function to align words in a text to the same column width.
  assert align_columns("This is a test") == "This is   a    test"
  assert align_columns("Hello World") == "Hello World"
  assert align_columns("Align these columns") == "Align  these columns"
  assert align_columns("Short Longest") == "Short  Longest"
output: def align_columns(text):
      words = text.split()
      max_length = max(len(word) for word in words)
      return ' '.join(word.ljust(max_length) for word in words)