Fix #13, PEP8-ify notebooks.

arrays_strings/unique_chars/test_unique_chars.py

@@ -3,12 +3,13 @@ from nose.tools import assert_equal
 
 class TestUniqueChars(object):
 
-  def test_unique_chars(self, func):
+    def test_unique_chars(self, func):
         assert_equal(func(''), True)
         assert_equal(func('foo'), False)
         assert_equal(func('bar'), True)
         print('Success: test_unique_chars')
 
+
 def main():
     test = TestUniqueChars()
     test.test_unique_chars(unique_chars)
@@ -19,6 +20,7 @@ def main():
         # Alternate solutions are only defined
         # in the solutions file
         pass
-    
+
+
 if __name__ == '__main__':
     main()

arrays_strings/unique_chars/unique_chars_challenge.ipynb

@@ -34,7 +34,6 @@
    "source": [
     "## Constraints\n",
     "\n",
-
     "* Can you assume the string is ASCII?\n",
     "    * Yes\n",
     "    * Note: Unicode strings could require special handling depending on your language\n",
@@ -112,12 +111,13 @@
     "\n",
     "class TestUniqueChars(object):\n",
     "\n",
-    "  def test_unique_chars(self, func):\n",
+    "    def test_unique_chars(self, func):\n",
     "        assert_equal(func(''), True)\n",
     "        assert_equal(func('foo'), False)\n",
     "        assert_equal(func('bar'), True)\n",
     "        print('Success: test_unique_chars')\n",
     "\n",
+    "\n",
     "def main():\n",
     "    test = TestUniqueChars()\n",
     "    test.test_unique_chars(unique_chars)\n",
@@ -128,7 +128,8 @@
     "        # Alternate solutions are only defined\n",
     "        # in the solutions file\n",
     "        pass\n",
-    "    \n",
+    "\n",
+    "\n",
     "if __name__ == '__main__':\n",
     "    main()"
    ]

arrays_strings/unique_chars/unique_chars_solution.ipynb

@@ -213,12 +213,13 @@
     "\n",
     "class TestUniqueChars(object):\n",
     "\n",
-    "  def test_unique_chars(self, func):\n",
+    "    def test_unique_chars(self, func):\n",
     "        assert_equal(func(''), True)\n",
     "        assert_equal(func('foo'), False)\n",
     "        assert_equal(func('bar'), True)\n",
     "        print('Success: test_unique_chars')\n",
     "\n",
+    "\n",
     "def main():\n",
     "    test = TestUniqueChars()\n",
     "    test.test_unique_chars(unique_chars)\n",
@@ -229,7 +230,8 @@
     "        # Alternate solutions are only defined\n",
     "        # in the solutions file\n",
     "        pass\n",
-    "    \n",
+    "\n",
+    "\n",
     "if __name__ == '__main__':\n",
     "    main()"
    ]
@@ -258,21 +260,21 @@
  ],
  "metadata": {
   "kernelspec": {
-   "display_name": "Python 3",
+   "display_name": "Python 2",
    "language": "python",
-   "name": "python3"
+   "name": "python2"
   },
   "language_info": {
    "codemirror_mode": {
     "name": "ipython",
-    "version": 3
+    "version": 2
    },
    "file_extension": ".py",
    "mimetype": "text/x-python",
    "name": "python",
    "nbconvert_exporter": "python",
-   "pygments_lexer": "ipython3",
-   "version": "3.4.3"
+   "pygments_lexer": "ipython2",
+   "version": "2.7.10"
   }
  },
  "nbformat": 4,