code: def set_xlimits(self, row, column, min=None, max=None):
          
          subplot = self.get_subplot_at(row, column)
          subplot.set_xlimits(min, max)
docs: Set x-axis limits of a subplot.
  
          :param row,column: specify the subplot.
          :param min: minimal axis value
          :param max: maximum axis value