fix: multiple small fixes

.gitignore

@@ -3,9 +3,12 @@ _book/
 node_modules/
 *.pyc
 *.swp
+
 book.pdf
 analysis-essentials.pdf
 shell/files/data-shell.zip
 build
 .ipynb_checkpoints
-*~
+*~
+/.idea
+

.pre-commit-config.yaml

@@ -30,8 +30,8 @@ repos:
 
 
 # needs rust, only activate if needed
-  - repo: https://github.com/shssoichiro/oxipng
-    rev: v9.1.2
-    hooks:
-      - id: oxipng
+#  - repo: https://github.com/shssoichiro/oxipng
+#    rev: v9.1.2
+#    hooks:
+#      - id: oxipng
 

python/01basics.ipynb

@@ -56,6 +56,9 @@
    "cell_type": "code",
    "execution_count": null,
    "metadata": {
+    "jupyter": {
+     "is_executing": true
+    },
     "slideshow": {
      "slide_type": "subslide"
     }
@@ -129,6 +132,9 @@
    "cell_type": "code",
    "execution_count": null,
    "metadata": {
+    "jupyter": {
+     "is_executing": true
+    },
     "slideshow": {
      "slide_type": "subslide"
     }
@@ -155,6 +161,9 @@
    "cell_type": "code",
    "execution_count": null,
    "metadata": {
+    "jupyter": {
+     "is_executing": true
+    },
     "slideshow": {
      "slide_type": "subslide"
     }
@@ -1266,6 +1275,9 @@
    "cell_type": "code",
    "execution_count": null,
    "metadata": {
+    "jupyter": {
+     "is_executing": true
+    },
     "slideshow": {
      "slide_type": "subslide"
     }

python/conditions.ipynb

@@ -356,7 +356,7 @@
     "Find the double-underscore method on lists and dictionaries that corresponds to\n",
     "the `in` operator, and check that it does the same thing as the operator.\n",
     "\n",
-    "{% solution \"Solution\" %}\n",
+    "**Solutions**\n",
     "\n",
     "Taking lists as an example, the `dir` method can tell us what methods are\n",
     "available. The `__contains__` method sounds promising."

python/dictionaries.ipynb

@@ -324,45 +324,27 @@
    "cell_type": "code",
    "execution_count": null,
    "metadata": {
-    "editable": true,
-    "slideshow": {
-     "slide_type": ""
-    },
-    "tags": []
+    "tags": [
+     "raises-exception"
+    ]
    },
    "outputs": [],
    "source": [
     "dd[numbers] = 0"
    ]
   },
   {
-   "cell_type": "code",
-   "execution_count": null,
-   "metadata": {
-    "editable": true,
-    "slideshow": {
-     "slide_type": ""
-    },
-    "tags": []
-   },
-   "outputs": [],
+   "cell_type": "markdown",
+   "metadata": {},
    "source": [
     "In essence, keys must not be mutable. This includes numbers, strings, and\n",
     "tuples, but not lists. This restriction is a trade-off that allows Python to\n",
     "make accessing values in a dictionary by key very fast."
    ]
   },
   {
-   "cell_type": "code",
-   "execution_count": null,
-   "metadata": {
-    "editable": true,
-    "slideshow": {
-     "slide_type": ""
-    },
-    "tags": []
-   },
-   "outputs": [],
+   "cell_type": "markdown",
+   "metadata": {},
    "source": [
     "**Advanced (skip on first read)**\n",
     "Immutable data types in Python have a `__hash__()` function, you can test it\n",

python/lists.ipynb

@@ -603,16 +603,8 @@
    ]
   },
   {
-   "cell_type": "code",
-   "execution_count": null,
-   "metadata": {
-    "editable": true,
-    "slideshow": {
-     "slide_type": ""
-    },
-    "tags": []
-   },
-   "outputs": [],
+   "cell_type": "markdown",
+   "metadata": {},
    "source": [
     "**Solution**\n",
     "You need to slice from the very beginning to the very end of the list."
@@ -784,7 +776,7 @@
    "outputs": [],
    "source": [
     "for i in b:\n",
-    "print(i)"
+    "    print(i)"
    ]
   },
   {
@@ -817,7 +809,7 @@
    "outputs": [],
    "source": [
     "for i in b:\n",
-    "  print(\"I am in a loop\")\n",
+    "    print(\"I am in a loop\")\n",
     "    print(i)"
    ]
   },
@@ -1758,16 +1750,8 @@
    ]
   },
   {
-   "cell_type": "code",
-   "execution_count": null,
-   "metadata": {
-    "editable": true,
-    "slideshow": {
-     "slide_type": ""
-    },
-    "tags": []
-   },
-   "outputs": [],
+   "cell_type": "markdown",
+   "metadata": {},
    "source": [
     "Each element of the list is a tuple."
    ]

python/numbers.ipynb

@@ -47,16 +47,8 @@
    ]
   },
   {
-   "cell_type": "code",
-   "execution_count": null,
-   "metadata": {
-    "editable": true,
-    "slideshow": {
-     "slide_type": ""
-    },
-    "tags": []
-   },
-   "outputs": [],
+   "cell_type": "markdown",
+   "metadata": {},
    "source": [
     "Python also lets you manipulate complex numbers, using `j` to represent the \n",
     "complex term."