docs: def varange(starts, count):
      """
      Vectorized `arange()` taking a sequence of starts and a count of elements.
  
      For example::
  
          >>> varange(1, 5)
          array([1, 2, 3, 4, 5])
  
          >>> varange((1, 3), 5)
          array([[1, 2, 3, 4, 5],
                 [3, 4, 5, 6, 7]])
      """
      try:
          return stack(arange(s, s + count) for s in starts)
      except TypeError:
          return arange(starts, starts + count)