Add exercise 1

thinkcspy/Chapter-17-Exercises/distance.py

@@ -0,0 +1,31 @@
+import math
+
+class Point:
+    """ Point class for representing and manipulating x,y coordinates. """
+
+    def __init__(self, initX, initY):
+        """ Create a new point at the given coordinates. """
+        self.x = initX
+        self.y = initY
+
+    def getX(self):
+        return self.x
+
+    def getY(self):
+        return self.y
+
+    def distanceFromOrigin(self):
+        return ((self.x ** 2) + (self.y ** 2)) ** 0.5
+    
+    def distanceFromPoint(self, pnt):
+        dx = self.x - pnt.getX()
+        dy = self.y - pnt.getY()
+        
+        return math.sqrt(dx**2 +dy**2)
+
+    def __str__(self):
+        return "x=" + str(self.x) + ", y=" + str(self.y)
+
+p = Point(7, 6)
+q = Point(10, 3)
+print(p.distanceFromPoint(q))