Challenges

binder/environment.yml

@@ -5,5 +5,6 @@ dependencies:
   - numpy=1.15.0
   - pandas=0.23.4
   - python=3.7.0
+  - ipywidgets
   - faker
 

requirements.txt

@@ -10,10 +10,10 @@ backcall=0.1.0=py37_0
 blas=1.0=mkl
 bleach=2.1.3=py37_0
 ca-certificates=2018.03.07=0
-certifi=2018.8.24=py37_1
+certifi=2018.10.15=py37_0
 cffi=1.11.5=py37h342bebf_0
 constantly=15.1.0=py37h28b3542_0
-cryptography=2.3=py37hdbc3d79_0
+cryptography=2.3.1=py37ha12b0ac_2
 cryptography-vectors=2.3=py37_0
 dbus=1.13.2=h760590f_1
 decorator=4.3.0=py37_0
@@ -31,7 +31,7 @@ intel-openmp=2018.0.3=0
 ipykernel=4.8.2=py37_0
 ipython=6.5.0=py37_0
 ipython_genutils=0.2.0=py37_0
-ipywidgets=7.4.0=py37_0
+ipywidgets=7.4.2=py37_0
 jedi=0.12.1=py37_0
 jinja2=2.10=py37_0
 jpeg=9b=he5867d9_2
@@ -59,7 +59,7 @@ ncurses=6.1=h0a44026_0
 notebook=5.6.0=py37_0
 numpy=1.15.0=py37h648b28d_0
 numpy-base=1.15.0=py37h8a80b8c_0
-openssl=1.0.2p=h1de35cc_0
+openssl=1.1.1=h1de35cc_0
 pandas=0.23.4=py37h6440ff4_0
 pandoc=2.2.1=h1a437c5_0
 pandocfilters=1.4.2=py37_1
@@ -77,7 +77,7 @@ pycparser=2.18=py37_1
 pygments=2.2.0=py37_0
 pyopenssl=18.0.0=py37_0
 pyqt=5.9.2=py37h655552a_0
-python=3.7.0=hc167b69_0
+python=3.7.1=haf84260_3
 python-dateutil=2.7.3=py37_0
 pytz=2018.5=py37_0
 pyzmq=17.1.2=py37h1de35cc_0
@@ -90,11 +90,11 @@ setuptools=40.0.0=py37_0
 simplegeneric=0.8.1=py37_2
 sip=4.19.8=py37h0a44026_0
 six=1.11.0=py37_1
-sqlite=3.24.0=ha441bb4_0
+sqlite=3.25.2=ha441bb4_0
 terminado=0.8.1=py37_1
 testpath=0.3.1=py37_0
 text-unidecode=1.2=py37_0
-tk=8.6.7=h35a86e2_3
+tk=8.6.8=ha441bb4_0
 tornado=5.1=py37h1de35cc_0
 traitlets=4.3.2=py37_0
 twisted=18.7.0=py37h1de35cc_1

s2n03-challenge1-top-referrers.ipynb

@@ -10,7 +10,9 @@
     "\n",
     "Currently, anyone with **5 or more** referrals is considered a top referrer.\n",
     "\n",
-    "In the cell labelled CHALLENGE, follow the instructions to return what is required. Use `Kernel > Restart and run all cells` to check your work.  If all the tests pass, you got it!"
+    "When you have completed the challenge, press the `Run Tests` button.\n",
+    "\n",
+    "*Need a little extra help? Check out the [Treehouse Forum](https://teamtreehouse.com/community?instruction=4552).*"
    ]
   },
   {
@@ -241,6 +243,20 @@
    "execution_count": 3,
    "metadata": {},
    "outputs": [
+    {
+     "data": {
+      "application/vnd.jupyter.widget-view+json": {
+       "model_id": "3173395f5f7e4c1dacc395df45c550f1",
+       "version_major": 2,
+       "version_minor": 0
+      },
+      "text/plain": [
+       "Button(description='Run Tests', style=ButtonStyle())"
+      ]
+     },
+     "metadata": {},
+     "output_type": "display_data"
+    },
     {
      "data": {
       "text/markdown": [
@@ -271,7 +287,7 @@
        "AssertionError: 475 != 142 : Whoops I received a different count than I expected, make sure the last line is the entire resulting DataFrame (not just the head)\n",
        "\n",
        "----------------------------------------------------------------------\n",
-       "Ran 3 tests in 0.005s\n",
+       "Ran 3 tests in 0.006s\n",
        "\n",
        "FAILED (failures=3)\n",
        "\n",
@@ -288,6 +304,13 @@
    "source": [
     "check(__name__, 'Find the top referrers')"
    ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": []
   }
  ],
  "metadata": {
@@ -306,7 +329,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.7.0"
+   "version": "3.7.1"
   }
  },
  "nbformat": 4,

s2n05-challenge2-update-user.ipynb

@@ -12,7 +12,9 @@
     "\n",
     "There are a couple ways to make this change happen, let's see what you can figure out!\n",
     "\n",
-    "After you've completed the TODO's choose `Kernel > Restart and Run all Cells` to see your results!\n"
+    "After you've completed the TODO's click the `Run Tests` button\n",
+    "\n",
+    "*Need a little extra help? Check out the [Treehouse Forum](https://teamtreehouse.com/community?instruction=4572).*"
    ]
   },
   {
@@ -44,13 +46,6 @@
     "len(users)"
    ]
   },
-  {
-   "cell_type": "code",
-   "execution_count": null,
-   "metadata": {},
-   "outputs": [],
-   "source": []
-  },
   {
    "cell_type": "code",
    "execution_count": 2,
@@ -120,8 +115,8 @@
        "    <tr>\n",
        "      <th>adrian</th>\n",
        "      <td>Adrian</td>\n",
-       "      <td>Yang</td>\n",
-       "      <td>adrian.yang@teamtreehouse.com</td>\n",
+       "      <td>Fang</td>\n",
+       "      <td>adrian.fang@teamtreehouse.com</td>\n",
        "      <td>True</td>\n",
        "      <td>2018-04-28</td>\n",
        "      <td>3</td>\n",
@@ -207,7 +202,7 @@
        "aaron               Aaron     Davis             aaron6348@gmail.com   \n",
        "acook             Anthony      Cook                  cook@gmail.com   \n",
        "adam.saunders        Adam  Saunders                  adam@gmail.com   \n",
-       "adrian             Adrian      Yang   adrian.yang@teamtreehouse.com   \n",
+       "adrian             Adrian      Fang   adrian.fang@teamtreehouse.com   \n",
        "adrian.blair       Adrian     Blair            adrian9335@gmail.com   \n",
        "...                   ...       ...                             ...   \n",
        "wilson             Robert    Wilson                robert@yahoo.com   \n",
@@ -253,6 +248,20 @@
    "execution_count": 3,
    "metadata": {},
    "outputs": [
+    {
+     "data": {
+      "application/vnd.jupyter.widget-view+json": {
+       "model_id": "ca87e33565ed41e39c1d89da5125f6cc",
+       "version_major": 2,
+       "version_minor": 0
+      },
+      "text/plain": [
+       "Button(description='Run Tests', style=ButtonStyle())"
+      ]
+     },
+     "metadata": {},
+     "output_type": "display_data"
+    },
     {
      "data": {
       "text/markdown": [
@@ -262,20 +271,20 @@
        "FAIL: test_jeffrey_with_one_f (tests.helpers.TestUpdateUsers)\n",
        "----------------------------------------------------------------------\n",
        "Traceback (most recent call last):\n",
-       "  File \"/Users/craig/Code/scripting/intro-to-pandas/tests/test_cells.py\", line 52, in test_jeffrey_with_one_f\n",
+       "  File \"/Users/craig/Code/scripting/intro-to-pandas/tests/test_cells.py\", line 56, in test_jeffrey_with_one_f\n",
        "    'Did you rename the username jeffrey to jefrey?'\n",
        "AssertionError: False is not true : Did you rename the username jeffrey to jefrey?\n",
        "\n",
        "======================================================================\n",
        "FAIL: test_kim_deal (tests.helpers.TestUpdateUsers)\n",
        "----------------------------------------------------------------------\n",
        "Traceback (most recent call last):\n",
-       "  File \"/Users/craig/Code/scripting/intro-to-pandas/tests/test_cells.py\", line 46, in test_kim_deal\n",
+       "  File \"/Users/craig/Code/scripting/intro-to-pandas/tests/test_cells.py\", line 50, in test_kim_deal\n",
        "    'Are you sure you updated the last name of kimberly@yahoo.com to \"Deal\"?'\n",
        "AssertionError: nan != 'Deal' : Are you sure you updated the last name of kimberly@yahoo.com to \"Deal\"?\n",
        "\n",
        "----------------------------------------------------------------------\n",
-       "Ran 2 tests in 0.002s\n",
+       "Ran 2 tests in 0.003s\n",
        "\n",
        "FAILED (failures=2)\n",
        "\n",
@@ -310,7 +319,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.7.0"
+   "version": "3.7.1"
   }
  },
  "nbformat": 4,

s2n09-challenge3-verified-email-list.ipynb

@@ -13,7 +13,9 @@
     "\n",
     "Ensure that all first names are title cased. Do not include any records that have a missing last name, and make sure that their email is verified (**`email_verified`** should be set True).  Sort by last name and then by first.\n",
     "\n",
-    "Choose `Kernel > Restart & Run all` to run the tests properly. \n"
+    "Once you have completed the TODOs, choose the `Run Tests` button.\n",
+    "\n",
+    "*Need a little extra help? Check out the [Treehouse Forum](https://teamtreehouse.com/community?instruction=4573).*\n"
    ]
   },
   {
@@ -245,6 +247,20 @@
    "execution_count": 3,
    "metadata": {},
    "outputs": [
+    {
+     "data": {
+      "application/vnd.jupyter.widget-view+json": {
+       "model_id": "9979fc1830b443128f18c18c4cc5f59f",
+       "version_major": 2,
+       "version_minor": 0
+      },
+      "text/plain": [
+       "Button(description='Run Tests', style=ButtonStyle())"
+      ]
+     },
+     "metadata": {},
+     "output_type": "display_data"
+    },
     {
      "data": {
       "text/markdown": [
@@ -294,7 +310,7 @@
        "AssertionError: 19 != 0 : Make sure you title case the first names, there are still some lower case versions\n",
        "\n",
        "----------------------------------------------------------------------\n",
-       "Ran 5 tests in 0.034s\n",
+       "Ran 5 tests in 0.033s\n",
        "\n",
        "FAILED (failures=5)\n",
        "\n",
@@ -329,7 +345,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.7.0"
+   "version": "3.7.1"
   }
  },
  "nbformat": 4,

tests/helpers.py

@@ -4,7 +4,8 @@
 import sys
 import unittest
 
-from IPython.display import display, Markdown
+from IPython.display import display, Markdown, Javascript
+import ipywidgets as widgets
 
 
 registered_tests = {}
@@ -23,9 +24,13 @@ def wrapped(cls):
 def cell_matching(module, test_text):
     # In is a list of notebook cell inputs
     # Out is a dictionary of cell outputs
+    matching_indices = []
     for index, value in enumerate(module.In):
         if test_text in value:
-            return Cell(value, module.Out.get(index))
+            matching_indices.append(index)
+    if matching_indices:
+        # The last entry is the call to `check`
+        return Cell(value, module.Out.get(matching_indices[-2]))
     return None, None
 
 
@@ -43,6 +48,9 @@ class BoundTestClass(test_cls):
     BoundTestClass.__doc__ = "Cell Tests for " + test_text
     return BoundTestClass
 
+def execute_all_cells(b):
+      display(Javascript('''IPython.notebook.execute_all_cells();'''))
+
 
 def check(module_name, test_text):
     module = sys.modules[module_name]
@@ -51,4 +59,7 @@ def check(module_name, test_text):
     runner = unittest.TextTestRunner(stream=output_stream)
     runner.run(unittest.defaultTestLoader.loadTestsFromTestCase(test_class))
     md = '```\n' + output_stream.getvalue() + '\n```'
+    button = widgets.Button(description='Run Tests')
+    button.on_click(execute_all_cells)
+    display(button)
     display(Markdown(md))