Add graph drawing functionality

Graph.py

@@ -0,0 +1,15 @@
+from graphics import *
+
+class Graph(object):
+
+    def __init__(self, p_width, p_height, p_name):
+        self.win = GraphWin("perceptron", p_width, p_height)
+        self.win.setCoords(0, 0, 640, 480)
+        self.x_offset = p_width / 2
+        self.y_offset = p_height / 2
+        self.win.setCoords(0, 0, 640, 480)
+        Line(Point(0, p_height / 2), Point(p_width, p_height / 2)).draw(self.win)
+        Line(Point(p_width / 2, 0), Point(p_width / 2, p_height)).draw(self.win)
+
+    def drawLine(self, p_point1, p_point2):
+        Line(p_point1, p_point2).draw(self.win).move(self.x_offset, self.y_offset)

Main.py

@@ -1,10 +1,13 @@
 from Perceptron import Perceptron
 from random import Random
 from Dataset import Dataset
+from Graph import *
 
 rand = Random()
 data = Dataset(open("input.txt").read().split('\n'), open("target.txt").read().split('\n'))
 learn_rate = 0.01
+graph = Graph(640, 480, "Perceptron")
+graph.drawLine(Point(-1000, -1000 + 20), Point(1000, 1000 + 20))
 
 p = Perceptron()
 i = data.inputs
@@ -20,8 +23,8 @@ for ind in range(0, 500):
         print("error: %f" % p.guess(i[key].target, learn_rate))
 
 for i in range(0, 1000):
-    x = input("Arg1")
+    x = input("Arg1: ")
-    y = input("Arg2")
+    y = input("Arg2: ")
     p.input(x, y)
     if p.activation() == 1:
         print("TRUE")