code: def setLabels(self, xlabel=None, ylabel=None, title=None, xunits=None, yunits=None):
          
          if xlabel is not None:
              self.setLabel('bottom', xlabel, units=xunits)
          if ylabel is not None:
              self.setLabel('left', ylabel, units=yunits)
          if title is not None:
              self.setTitle(title)
docs: Sets the plot labels
  
          :param xlabel: X-axis label (do not include units)
          :type xlabel: str
          :param ylabel: Y-axis label (do not include units)
          :type ylabel: str
          :param title: Plot title
          :type title: str
          :param xunit: SI units for the x-axis. An appropriate label will be appended according to scale
          :type xunit: str
          :param yunit: SI units for the y-axis. An appropriate label will be appended according to scale
          :type yunit: str