import matplotlib
import matplotlib.pyplot as plt

class PlotData(object):
    """
        Takes an object and plots data into a graph

        step 1: take row, column, filename
        step 2: plot a graph
        step 3: save graph into filename
        step 4: the name when called should display the image

    """

    def __init__(self, row, column, fname):
        self.row = row
        self.column = column
        self.fname = fname


    def __repr__(self):
        plt.plot(self.row, self.column) # plot graph using row & column
        plt.savefig(self.fname+'.png')
        return "%s.png" % (self.fname)