prompt: You will be provided with a partial code base and an issue statement explaining a problem to resolve.
  <issue>
  Provide clearer entry points for new visitors on website
  
  Landing page interface redesign
  Current:
  https://cs-unplugged-dev.appspot.com/en/
  
  Proposed new design:
  ![a thing](https://user-images.githubusercontent.com/20089275/33110427-b2db51ec-cfac-11e7-845b-de9ad6a4c304.png)
  
  **Redesign based on older current landing page.
  
  The main changes are the jumbotron banner, nav bar and footer ( issue #695 )
  
  </issue>
  <code>
  [start of csunplugged/general/urls.py]
  1 """URL routing for the general application."""
  2 
  3 from django.conf.urls import url
  4 
  5 from . import views
  6 
  7 urlpatterns = [
  8     url(
  9         r"^$",
  10         views.GeneralIndexView.as_view(),
  11         name="home"
  12     ),
  13     url(
  14         r"^about/$",
  15         views.GeneralAboutView.as_view(),
  16         name="about"
  17     ),
  18     url(
  19         r"^computational-thinking/$",
  20         views.ComputationalThinkingView.as_view(),
  21         name="computational_thinking"
  22     ),
  23     url(
  24         r"^contact/$",
  25         views.GeneralContactView.as_view(),
  26         name="contact"
  27     ),
  28     url(
  29         r"^people/$",
  30         views.GeneralPeopleView.as_view(),
  31         name="people"
  32     ),
  33     url(
  34         r"^principles/$",
  35         views.GeneralPrinciplesView.as_view(),
  36         name="principles"
  37     ),
  38 ]
  39
  [end of csunplugged/general/urls.py]
  [start of csunplugged/general/views.py]
  1 """Views for the general application."""
  2 
  3 from django.views.generic import TemplateView
  4 from django.http import HttpResponse
  5 
  6 
  7 class GeneralIndexView(TemplateView):
  8     """View for the homepage that renders from a template."""
  9 
  10     template_name = "general/index.html"
  11 
  12 
  13 class GeneralAboutView(TemplateView):
  14     """View for the about page that renders from a template."""
  15 
  16     template_name = "general/about.html"
  17 
  18 
  19 class GeneralContactView(TemplateView):
  20     """View for the contact page that renders from a template."""
  21 
  22     template_name = "general/contact.html"
  23 
  24 
  25 class GeneralPeopleView(TemplateView):
  26     """View for the people page that renders from a template."""
  27 
  28     template_name = "general/people.html"
  29 
  30 
  31 class GeneralPrinciplesView(TemplateView):
  32     """View for the princples page that renders from a template."""
  33 
  34     template_name = "general/principles.html"
  35 
  36 
  37 class ComputationalThinkingView(TemplateView):
  38     """View for the Computational Thinking page that renders from a template."""
  39 
  40     template_name = "general/computational-thinking.html"
  41 
  42 
  43 def health_check(request):
  44     """Return heath check response for Google App Engine.
  45 
  46     Returns a 200 HTTP response for Google App Engine to detect the system
  47     is running.
  48     """
  49     return HttpResponse(status=200)
  50
  [end of csunplugged/general/views.py]
  </code>
  
  I need you to solve this issue by generating a single patch file that I can apply directly to this repository using git apply. Please respond with a single patch file in the following format.
  <patch>
  diff --git a/file.py b/file.py
  --- a/file.py
  +++ b/file.py
  @@ -1,27 +1,35 @@
   def euclidean(a, b):
  -    while b:
  -        a, b = b, a % b
  -    return a
  +    if b == 0:
  +        return a
  +    return euclidean(b, a % b)
   
   
   def bresenham(x0, y0, x1, y1):
       points = []
       dx = abs(x1 - x0)
       dy = abs(y1 - y0)
  -    sx = 1 if x0 < x1 else -1
  -    sy = 1 if y0 < y1 else -1
  -    err = dx - dy
  +    x, y = x0, y0
  +    sx = -1 if x0 > x1 else 1
  +    sy = -1 if y0 > y1 else 1
   
  -    while True:
  -        points.append((x0, y0))
  -        if x0 == x1 and y0 == y1:
  -            break
  -        e2 = 2 * err
  -        if e2 > -dy:
  -            err -= dy
  -            x0 += sx
  -        if e2 < dx:
  -            err += dx
  -            y0 += sy
  +    if dx > dy:
  +        err = dx / 2.0
  +        while x != x1:
  +            points.append((x, y))
  +            err -= dy
  +            if err < 0:
  +                y += sy
  +                err += dx
  +            x += sx
  +    else:
  +        err = dy / 2.0
  +        while y != y1:
  +            points.append((x, y))
  +            err -= dx
  +            if err < 0:
  +                x += sx
  +                err += dy
  +            y += sy
  +
  +    points.append((x, y))
       return points
  
  </patch>
golden_diff: diff --git a/csunplugged/general/urls.py b/csunplugged/general/urls.py
  --- a/csunplugged/general/urls.py
  +++ b/csunplugged/general/urls.py
  @@ -15,11 +15,21 @@
           views.GeneralAboutView.as_view(),
           name="about"
       ),
  +    url(
  +        r"^what-is-computer-science/$",
  +        views.WhatIsCSView.as_view(),
  +        name="what_is_cs"
  +    ),
       url(
           r"^computational-thinking/$",
           views.ComputationalThinkingView.as_view(),
           name="computational_thinking"
       ),
  +    url(
  +        r"^how-do-i-teach-cs-unplugged/$",
  +        views.HowDoITeachCSUnpluggedView.as_view(),
  +        name="how_do_i_teach_cs_unplugged"
  +    ),
       url(
           r"^contact/$",
           views.GeneralContactView.as_view(),
  diff --git a/csunplugged/general/views.py b/csunplugged/general/views.py
  --- a/csunplugged/general/views.py
  +++ b/csunplugged/general/views.py
  @@ -34,12 +34,24 @@
       template_name = "general/principles.html"
   
   
  +class WhatIsCSView(TemplateView):
  +    """View for the 'What is Computer Science?' page that renders from a template."""
  +
  +    template_name = "general/what-is-computer-science.html"
  +
  +
   class ComputationalThinkingView(TemplateView):
       """View for the Computational Thinking page that renders from a template."""
   
       template_name = "general/computational-thinking.html"
   
   
  +class HowDoITeachCSUnpluggedView(TemplateView):
  +    """View for the 'How do I teach CS Unplugged?' page that renders from a template."""
  +
  +    template_name = "general/how-do-i-teach-cs-unplugged.html"
  +
  +
   def health_check(request):
       """Return heath check response for Google App Engine.
  
verification_info: {"golden_diff": "diff --git a/csunplugged/general/urls.py b/csunplugged/general/urls.py\n--- a/csunplugged/general/urls.py\n+++ b/csunplugged/general/urls.py\n@@ -15,11 +15,21 @@\n         views.GeneralAboutView.as_view(),\n         name=\"about\"\n     ),\n+    url(\n+        r\"^what-is-computer-science/$\",\n+        views.WhatIsCSView.as_view(),\n+        name=\"what_is_cs\"\n+    ),\n     url(\n         r\"^computational-thinking/$\",\n         views.ComputationalThinkingView.as_view(),\n         name=\"computational_thinking\"\n     ),\n+    url(\n+        r\"^how-do-i-teach-cs-unplugged/$\",\n+        views.HowDoITeachCSUnpluggedView.as_view(),\n+        name=\"how_do_i_teach_cs_unplugged\"\n+    ),\n     url(\n         r\"^contact/$\",\n         views.GeneralContactView.as_view(),\ndiff --git a/csunplugged/general/views.py b/csunplugged/general/views.py\n--- a/csunplugged/general/views.py\n+++ b/csunplugged/general/views.py\n@@ -34,12 +34,24 @@\n     template_name = \"general/principles.html\"\n \n \n+class WhatIsCSView(TemplateView):\n+    \"\"\"View for the 'What is Computer Science?' page that renders from a template.\"\"\"\n+\n+    template_name = \"general/what-is-computer-science.html\"\n+\n+\n class ComputationalThinkingView(TemplateView):\n     \"\"\"View for the Computational Thinking page that renders from a template.\"\"\"\n \n     template_name = \"general/computational-thinking.html\"\n \n \n+class HowDoITeachCSUnpluggedView(TemplateView):\n+    \"\"\"View for the 'How do I teach CS Unplugged?' page that renders from a template.\"\"\"\n+\n+    template_name = \"general/how-do-i-teach-cs-unplugged.html\"\n+\n+\n def health_check(request):\n     \"\"\"Return heath check response for Google App Engine.\n", "issue": "Provide clearer entry points for new visitors on website\n\nLanding page interface redesign\nCurrent:\r\nhttps://cs-unplugged-dev.appspot.com/en/\r\n\r\nProposed new design:\r\n![a thing](https://user-images.githubusercontent.com/20089275/33110427-b2db51ec-cfac-11e7-845b-de9ad6a4c304.png)\r\n\r\n**Redesign based on older current landing page.\r\n\r\nThe main changes are the jumbotron banner, nav bar and footer ( issue #695 )\n", "before_files": [{"content": "\"\"\"URL routing for the general application.\"\"\"\n\nfrom django.conf.urls import url\n\nfrom . import views\n\nurlpatterns = [\n    url(\n        r\"^$\",\n        views.GeneralIndexView.as_view(),\n        name=\"home\"\n    ),\n    url(\n        r\"^about/$\",\n        views.GeneralAboutView.as_view(),\n        name=\"about\"\n    ),\n    url(\n        r\"^computational-thinking/$\",\n        views.ComputationalThinkingView.as_view(),\n        name=\"computational_thinking\"\n    ),\n    url(\n        r\"^contact/$\",\n        views.GeneralContactView.as_view(),\n        name=\"contact\"\n    ),\n    url(\n        r\"^people/$\",\n        views.GeneralPeopleView.as_view(),\n        name=\"people\"\n    ),\n    url(\n        r\"^principles/$\",\n        views.GeneralPrinciplesView.as_view(),\n        name=\"principles\"\n    ),\n]\n", "path": "csunplugged/general/urls.py"}, {"content": "\"\"\"Views for the general application.\"\"\"\n\nfrom django.views.generic import TemplateView\nfrom django.http import HttpResponse\n\n\nclass GeneralIndexView(TemplateView):\n    \"\"\"View for the homepage that renders from a template.\"\"\"\n\n    template_name = \"general/index.html\"\n\n\nclass GeneralAboutView(TemplateView):\n    \"\"\"View for the about page that renders from a template.\"\"\"\n\n    template_name = \"general/about.html\"\n\n\nclass GeneralContactView(TemplateView):\n    \"\"\"View for the contact page that renders from a template.\"\"\"\n\n    template_name = \"general/contact.html\"\n\n\nclass GeneralPeopleView(TemplateView):\n    \"\"\"View for the people page that renders from a template.\"\"\"\n\n    template_name = \"general/people.html\"\n\n\nclass GeneralPrinciplesView(TemplateView):\n    \"\"\"View for the princples page that renders from a template.\"\"\"\n\n    template_name = \"general/principles.html\"\n\n\nclass ComputationalThinkingView(TemplateView):\n    \"\"\"View for the Computational Thinking page that renders from a template.\"\"\"\n\n    template_name = \"general/computational-thinking.html\"\n\n\ndef health_check(request):\n    \"\"\"Return heath check response for Google App Engine.\n\n    Returns a 200 HTTP response for Google App Engine to detect the system\n    is running.\n    \"\"\"\n    return HttpResponse(status=200)\n", "path": "csunplugged/general/views.py"}]}