Added an exercise of week4

Author: tiagomestreteixeira

week4/lecture8/exercises.py

@@ -0,0 +1,13 @@
+# Simple Divide
+def fancy_divide(list_of_numbers, index):
+    denom = list_of_numbers[index]
+    return [simple_divide(item, denom) for item in list_of_numbers]
+
+
+def simple_divide(item, denom):
+    try:
+        return item/denom
+    except ZeroDivisionError:
+        return 0
+
+print(fancy_divide([0, 2, 4], 0))