Added exercise 6

ex_06.py

@@ -0,0 +1,20 @@
+#!/usr/bin/python3
+
+import turtle
+
+
+# The sum of the inner angles of a polygon
+# in an euclidian plane:
+n = 5
+inner_angle_sum = (n - 2) * 180
+
+# Distance between two vertices
+l = 70
+
+
+
+for i in range(n):
+	turtle.forward(l)
+	turtle.right(180 - inner_angle_sum / n)
+
+turtle.mainloop()