docstr: Parameters
  ----------
  width : int
      number of characters taken by the string (includes space).
code: def __init__(self, width, significand, min=None, repeat=None):
      """\
          Parameters
          ----------
          width : int
              number of characters taken by the string (includes space).
          """
      self.width = width
      self.significand = significand
      self.repeat = repeat
      self.min = min
  
imports: from __future__ import division, print_function, absolute_import
  import re
  import numpy
label_desc: Use image node_id 2 to create a new ExpFormat object from inherited base classes: object with example: obj = ExpFormat(width, significand, min, repeat)