Corrept file added in zip, removed obsolete section (was same as exercise notebook)

Author: SandraVerhagen

book/_toc.yml

@@ -49,7 +49,7 @@ parts:
 
     - file: notebook_5_figures/PythonNotebook5_first_page.ipynb
       sections:
-        - file: notebook_5_figures/PythonNotebook5_matplotlib.ipynb
+        # - file: notebook_5_figures/PythonNotebook5_matplotlib.ipynb
         - file: exercise_notebooks/exercise_notebook_5_figures.ipynb
 
   #   - file: notebook_6_numpy/PythonNotebook6_first_page.ipynb

book/exercise_notebooks/exercise_notebook_5_figures.ipynb

@@ -261,7 +261,7 @@
     "**Label hint:** unfortunately there is no function `plot.zlabel()`.\n",
     "Instead you have to use `ax.set_zlabel('...')`. You can use `ax.set_xlabel()` and `ax.set_ylabel()` too. Your script looks nicer if you handle all axes in the same way.\n",
     "   \n",
-    "**Note:** the z-label doesn't necessary show up anyway, perhaps it's hidden behind the plot. If you could rotate the plot it might show up. For now let's choose our battles and not worry about this.\n",
+    "**Note:** the z-label doesn't necessarily show up anyway, perhaps it's hidden behind the plot. If you could rotate the plot it might show up. For now let's choose our battles and not worry about this.\n",
     "</div></div>"
    ]
   },