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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:

def Update(self, size):
    '''
    Custom wrapper calculator to account for the
    increased size of the _msg widget after being
    inlined with the wx.CheckBox
    '''
    if self._msg is None:
      return
    help_msg = self._msg
    width, height = size
    content_area = int((width / 3) * .70)

    wiggle_room = range(int(content_area - content_area * .05), int(content_area + content_area * .05))
    if help_msg.Size[0] not in wiggle_room:
      self._msg.SetLabel(self._msg.GetLabelText().replace('\n', ' '))
      self._msg.Wrap(content_area)