update tutorials

Author: chillerb

CONTRIBUTING.md

@@ -3,6 +3,10 @@
 Contributions are welcome, and they are greatly appreciated! Every little bit
 helps, and credit will always be given. You can contribute in the ways listed below.
 
+## Language
+
+Please use gender-neutral forms and inclusive language.
+
 ## Report Bugs
 
 Report bugs using GitHub issues.

README.md

@@ -1,3 +1,4 @@
+[![bckrlab.org](https://img.shields.io/badge/bckrlab.org-blue?style=flat)](https://bckrlab.org/dsc-tutorials/intro.html)
 [![Binder](https://mybinder.org/badge_logo.svg)](https://mybinder.org/v2/gh/bckrlab/dsc-tutorials/HEAD)
 
 # DSC Tutorials

dsc_tutorials/01_python-intro.ipynb

@@ -106,6 +106,10 @@
    "source": [
     "[Python](https://en.wikipedia.org/wiki/Python_(programming_language)) is a programming language that was developed in 1991 by \"Benevolent dictator for life\" Guido van Rossum.\n",
     "\n",
+    "<div style=\"text-align: center\">\n",
+    "    <img src=\"https://upload.wikimedia.org/wikipedia/commons/6/66/Guido_van_Rossum_OSCON_2006.jpg\" alt=\"Guido van Rossum\" width=\"25%\"/>\n",
+    "</div>\n",
+    "\n",
     "Python is:\n",
     "\n",
     "- **Interpreted**: Programs are executed line by line by an interpreter instead of being compiled into machine code first.\n",
@@ -175,7 +179,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 8,
+   "execution_count": null,
    "id": "1e0cc47a",
    "metadata": {},
    "outputs": [],
@@ -221,7 +225,7 @@
     "\n",
     "    def action(self):\n",
     "        # implement selecting a random action\n",
-    "        raise NotImplementedError()\n",
+    "        raise NotImplementedError(\"TODO\")\n",
     "\n",
     "def rock_paper_scissors(agent_a, agent_b):\n",
     "    choice_a = agent_a.get_choice()\n",
@@ -231,7 +235,7 @@
     "    agent_b.observe(choice_a)\n",
     "\n",
     "    # implement game logic\n",
-    "    raise NotImplementedError"
+    "    raise NotImplementedError(\"TODO\")"
    ]
   },
   {
@@ -295,23 +299,24 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 21,
+   "execution_count": 1,
    "id": "c539f499-e744-43b6-b6fc-eedc5c793f5b",
    "metadata": {},
    "outputs": [
     {
      "name": "stdout",
      "output_type": "stream",
      "text": [
-      "Collecting pyjokes\n",
-      "  Downloading pyjokes-0.8.3-py3-none-any.whl.metadata (3.4 kB)\n",
-      "Downloading pyjokes-0.8.3-py3-none-any.whl (47 kB)\n",
-      "Installing collected packages: pyjokes\n",
-      "Successfully installed pyjokes-0.8.3\n"
+      "Requirement already satisfied: pyjokes in /home/bjarne/miniconda3/envs/dsc-tutorials/lib/python3.12/site-packages (0.8.3)\n",
+      "^C\n",
+      "\u001b[31mERROR: Operation cancelled by user\u001b[0m\u001b[31m\n",
+      "\u001b[0m"
      ]
     }
    ],
    "source": [
+    "# shell assignment syntax\n",
+    "# ! in jupyter cells allows you to execute shell commands\n",
     "!pip install pyjokes"
    ]
   },