code: def wrap_text(text, width):
      """wrap_text(text : string, width : int) -> [string]
  
      Split 'text' into multiple lines of no more than 'width' characters
      each, and return the list of strings that results.
      """
      if text is None:
          return []
      if len(text) <= width:
          return [text]
  
      text = text.expandtabs()
      text = text.translate(WS_TRANS)
      chunks = re.split(r"( +|-+)", text)
      chunks = [
          ch for ch in chunks if ch
      ]  # ' - ' results in empty strings
      lines = []
  
      while chunks:
          cur_line = []  # list of chunks (to-be-joined)
          cur_len = 0  # length of current line
  
          while chunks:
              l = len(chunks[0])
              if (
                  cur_len + l <= width
              ):  # can squeeze (at least) this chunk in
                  cur_line.append(chunks[0])
                  del chunks[0]
                  cur_len = cur_len + l
              else:  # this line is full
                  # drop last chunk if all space
                  if cur_line and cur_line[-1][0] == " ":
                      del cur_line[-1]
                  break
  
          if chunks:  # any chunks left to process?
              # if the current line is still empty, then we had a single
              # chunk that's too big too fit on a line -- so we break
              # down and break it up at the line width
              if cur_len == 0:
                  cur_line.append(chunks[0][0:width])
                  chunks[0] = chunks[0][width:]
  
              # all-whitespace chunks at the end of a line can be discarded
              # (and we know from the re.split above that if a chunk has
              # *any* whitespace, it is *all* whitespace)
              if chunks[0][0] == " ":
                  del chunks[0]
  
          # and store this line in the list-of-all-lines -- as a single
          # string, of course!
          lines.append("".join(cur_line))
  
      return lines
  
imports: import sys, string, re
  import getopt
  from distutils.errors import *
label_desc: Use image node_id 2 for calling a global function with example usage: wrap_text(text, width) and returns: lines, list, list