From 5b41ff3f64be347b788b530e76fff69cddf5b34b Mon Sep 17 00:00:00 2001
From: Aly Farahat <afarahat@uw.edu>
Date: Mon, 4 Apr 2016 23:21:02 +0000
Subject: [PATCH 1/2] Implemented square(), cube() and a couple of test cases

---
 example_homework/cubing.py   | 5 ++++-
 example_homework/squaring.py | 5 ++++-
 test_example_homework.py     | 9 +++++++++
 3 files changed, 17 insertions(+), 2 deletions(-)

diff --git a/example_homework/cubing.py b/example_homework/cubing.py
index 1153359..eebff3c 100644
--- a/example_homework/cubing.py
+++ b/example_homework/cubing.py
@@ -27,4 +27,7 @@ def cube(x):
     value : number
         The square of `x`.
     """
-    pass
+    if type(x) != list:
+        return x * x * x
+    else:
+        return [a * a * a for a in x ]
diff --git a/example_homework/squaring.py b/example_homework/squaring.py
index 344bdbc..e22b623 100644
--- a/example_homework/squaring.py
+++ b/example_homework/squaring.py
@@ -27,4 +27,7 @@ def square(x):
     value : number
         The square of `x`.
     """
-    pass
+    if type(x) != list:
+        return x * x
+    else:
+        return [a * a for a in x]
diff --git a/test_example_homework.py b/test_example_homework.py
index 9ccafae..eddea1c 100644
--- a/test_example_homework.py
+++ b/test_example_homework.py
@@ -37,6 +37,15 @@ def test_two_three_four(self):
     def test_negative(self):
         self.assertEqual(square(-1), 1)
 
+    def test_complex(self):
+        self.assertEqual(square(1 - 1j), (1 - 1j)*(1 - 1j))
+
+    def test_list(self):
+        self.assertEqual(square([2, -2, 1j]), [4, 4, -1])
+
+    def test_empty_list(self):
+        self.assertEqual(square([]), [])
+
 
 class TestCube(unittest.TestCase):
     """Test the `cube` function defined in `example_homework.cube`.

From 5cd16a5ffbed8eb800a89dd19e340199a66951a4 Mon Sep 17 00:00:00 2001
From: Aly Farahat <afarahat@uw.edu>
Date: Tue, 5 Apr 2016 00:34:38 +0000
Subject: [PATCH 2/2] Allow Recursive List Types

---
 example_homework/cubing.py   | 2 +-
 example_homework/squaring.py | 2 +-
 test_example_homework.py     | 4 ++++
 3 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/example_homework/cubing.py b/example_homework/cubing.py
index eebff3c..ce626f1 100644
--- a/example_homework/cubing.py
+++ b/example_homework/cubing.py
@@ -30,4 +30,4 @@ def cube(x):
     if type(x) != list:
         return x * x * x
     else:
-        return [a * a * a for a in x ]
+        return [cube(a) for a in x ]
diff --git a/example_homework/squaring.py b/example_homework/squaring.py
index e22b623..46d5483 100644
--- a/example_homework/squaring.py
+++ b/example_homework/squaring.py
@@ -30,4 +30,4 @@ def square(x):
     if type(x) != list:
         return x * x
     else:
-        return [a * a for a in x]
+        return [square(a) for a in x]
diff --git a/test_example_homework.py b/test_example_homework.py
index eddea1c..3785b3d 100644
--- a/test_example_homework.py
+++ b/test_example_homework.py
@@ -46,7 +46,11 @@ def test_list(self):
     def test_empty_list(self):
         self.assertEqual(square([]), [])
 
+    def test_empty_list_recursive(self):
+        self.assertEqual(square([[],[[],[]]]), [[],[[],[]]])
 
+    def test_list_recursive(self):
+        self.assertEqual(square([1, [1, 2], 3, [1, 2, [1, 3]]] ), [1, [1, 4], 9, [1, 4, [1, 9]]] ) 
 class TestCube(unittest.TestCase):
     """Test the `cube` function defined in `example_homework.cube`.