diff --git a/Basics.ipynb b/Basics.ipynb
index 2efd5b9..b998b94 100644
--- a/Basics.ipynb
+++ b/Basics.ipynb
@@ -2916,13 +2916,357 @@
   },
   {
    "cell_type": "markdown",
-   "id": "3ebab575",
+   "id": "fb1b118c",
    "metadata": {
     "editable": false
    },
    "source": [
-    "<!-- #endsolution -->"
+    "# <ins>**Appendix: Running python locally**</ins>"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "d029a1c0",
+   "metadata": {
+    "editable": false
+   },
+   "source": [
+    "To run python outside of the JupyterLite environment you need to install it locally. As with a lot of large programming languages there are multiple solutions to do this. The two common families of solutions are python with pip and conda/mamba."
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "e8556ab8",
+   "metadata": {
+    "editable": false
+   },
+   "source": [
+    "| Feature | **Python with pip** | **Conda/Mamba** |\n",
+    "|---------|----------------|-----------------|\n",
+    "| **Installation** | Install Python from python.org, pip included | Install Anaconda/Miniconda distribution |\n",
+    "| **Package Management** | `pip install package` | `conda install package` or `mamba install package` |\n",
+    "| **Environment Management** | `venv` or `virtualenv` (separate tools) | Built-in: `conda create -n myenv` |\n",
+    "| **Package Repository** | PyPI (Python Package Index) | Anaconda repository + conda-forge |\n",
+    "| **Non-Python Dependencies** | Limited (Python packages only) | Excellent (handles Python, R, C libraries, etc.) |\n",
+    "| **Complexity** | Simpler, more lightweight | More comprehensive, heavier |\n",
+    "| **Best For** | Pure Python development, simple projects | Data science, scientific computing, complex dependencies |\n",
+    "| **Speed** | Fast package installation | Slower (conda), faster with mamba |\n",
+    "| **Architecture Support** | Excellent (source packages work on any architecture, if compiling tools available) | Limited to pre-built binaries for common architectures |\n",
+    "| **Reproducibility** | `requirements.txt` | `environment.yml` with exact versions |\n",
+    "| **Modern Tooling** | **uv** (ultra-fast installer), **Poetry** (dependency & packaging) | **Mamba** (faster conda drop-in replacement), **Pixi** (modern project/workflow tool) |"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "9bf355f1",
+   "metadata": {
+    "editable": false
+   },
+   "source": [
+    "### Installing Python and pip"
    ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "d0b30d43",
+   "metadata": {
+    "editable": false
+   },
+   "source": [
+    "#### On Windows:"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "e0a9656c",
+   "metadata": {
+    "editable": false
+   },
+   "source": [
+    "1. Go to https://www.python.org/downloads/) and choose the latest stable installer for Windows (for example, \u201cWindows installer (64-bit)\u201d).\n",
+    "2. During installation, make sure to check the box \u201cAdd Python to PATH\u201d so you can use Python from any command prompt.\n",
+    "3. After installation finishes, open a new Terminal (Command Prompt or PowerShell) and type:\n",
+    "\n",
+    "```python\n",
+    "python --version\n",
+    "```\n",
+    "\n",
+    "This should confirm that Python installed successfully.\n",
+    "\n",
+    "  - Alternatively, you could install the Anaconda distribution from https://www.anaconda.com/products/distribution, which includes Python and a variety of data-science packages by default."
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "b03e4874",
+   "metadata": {
+    "editable": false
+   },
+   "source": [
+    "#### On Linux (Ubuntu/Debian-based):"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "546d664c",
+   "metadata": {
+    "editable": false
+   },
+   "source": [
+    "1. Open a terminal.\n",
+    "2. Run:\n",
+    "```\n",
+    "sudo apt-get update\n",
+    "sudo apt-get install python3 python3-pip\n",
+    "```\n",
+    "(Adjust to python or python3 depending on your distribution)\n",
+    "\n",
+    "3. Confirm your installation by running:\n",
+    "```python\n",
+    "python3 --version\n",
+    "```\n",
+    "\n",
+    "  - For Fedora or other distributions, replace `apt-get` with `yum`, `dnf`, or your distro\u2019s package manager.\n",
+    "  - You can also install Anaconda if you want a more complete environment."
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "d25e9eaa",
+   "metadata": {
+    "editable": false
+   },
+   "source": [
+    "#### On macOS:"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "32384276",
+   "metadata": {
+    "editable": false
+   },
+   "source": [
+    "1. Visit https://www.python.org/downloads/ and download the macOS installer (e.g., \u201cmacOS 64-bit universal2 installer\u201d).\n",
+    "2. Double-click the `.pkg` file and follow the prompts.\n",
+    "3. After installation, open Terminal and check:\n",
+    "```\n",
+    "python3 --version\n",
+    "```\n",
+    "\n",
+    "  - Alternatively, on macOS you can install Python via Homebrew (if you already have Homebrew installed) by running:\n",
+    "```\n",
+    "brew install python3\n",
+    "```"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "6ad36f9c",
+   "metadata": {
+    "editable": false
+   },
+   "source": [
+    "#### Installing and Running Jupyter Notebooks"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "88323ba7",
+   "metadata": {
+    "editable": false
+   },
+   "source": [
+    "1. Once Python is installed (whether from python.org, your Linux package manager, or Anaconda), you can install Jupyter Lab as follows:\n",
+    "```\n",
+    "pip install jupyterlab\n",
+    "```\n",
+    "(Use `pip3` if needed, e.g., \u203a `pip3 install jupyter`)\n",
+    "\n",
+    "2. When everything is installed, you can start a Jupyter notebook server (or Jupyter Lab) and work on your Python exercises by simply running in your terminal or command prompt:\n",
+    "```\n",
+    "jupyter notebook\n",
+    "```\n",
+    "or\n",
+    "```\n",
+    "jupyter lab\n",
+    "```\n",
+    "\n",
+    "This will open a new tab in your web browser with the Jupyter Notebook or Jupyter Lab interface, ready for you to start coding!"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "1ea7de96",
+   "metadata": {
+    "editable": false
+   },
+   "source": [
+    "### Installing Mamba (via Miniforge)"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "88f8fa02",
+   "metadata": {
+    "editable": false
+   },
+   "source": [
+    "#### On Windows:"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "bc5d5add",
+   "metadata": {
+    "editable": false
+   },
+   "source": [
+    "1. Go to https://github.com/conda-forge/miniforge and download the Miniforge3 installer for Windows (e.g., \"Miniforge3-Windows-x86_64.exe\").\n",
+    "2. Run the installer and follow the prompts. You can accept the default options.\n",
+    "3. After installation, open \"Miniforge Prompt\" from the Start menu and verify:\n",
+    "\n",
+    "```bash\n",
+    "mamba --version\n",
+    "conda --version\n",
+    "```\n",
+    "\n",
+    "This should confirm that Mamba and Conda are installed successfully.\n",
+    "\n",
+    "  - Miniforge comes with `mamba` pre-installed and uses conda-forge as the default channel."
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "a9daafa9",
+   "metadata": {
+    "editable": false
+   },
+   "source": [
+    "#### On Linux (Ubuntu/Debian-based and others):"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "ba271553",
+   "metadata": {
+    "editable": false
+   },
+   "source": [
+    "1. Open a terminal and download the installer:\n",
+    "```bash\n",
+    "wget https://github.com/conda-forge/miniforge/releases/latest/download/Miniforge3-Linux-x86_64.sh\n",
+    "```\n",
+    "\n",
+    "2. Run the installer:\n",
+    "```bash\n",
+    "bash Miniforge3-Linux-x86_64.sh\n",
+    "```\n",
+    "\n",
+    "3. Follow the prompts, accept the license, and allow the installer to initialize Miniforge.\n",
+    "\n",
+    "4. Restart your terminal or run:\n",
+    "```bash\n",
+    "source ~/.bashrc\n",
+    "```\n",
+    "\n",
+    "5. Confirm your installation:\n",
+    "```bash\n",
+    "mamba --version\n",
+    "conda --version\n",
+    "```\n",
+    "\n",
+    "  - For ARM-based systems, download `Miniforge3-Linux-aarch64.sh` instead."
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "f2e714e4",
+   "metadata": {
+    "editable": false
+   },
+   "source": [
+    "#### On macOS:"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "232aee40",
+   "metadata": {
+    "editable": false
+   },
+   "source": [
+    "1. Download the installer from https://github.com/conda-forge/miniforge:\n",
+    "   - For Intel Macs: `Miniforge3-MacOSX-x86_64.sh`\n",
+    "   - For Apple Silicon (M1/M2/M3): `Miniforge3-MacOSX-arm64.sh`\n",
+    "\n",
+    "2. Open Terminal and navigate to your Downloads folder, then run:\n",
+    "```bash\n",
+    "bash Miniforge3-MacOSX-*.sh\n",
+    "```\n",
+    "(Replace `*` with `x86_64` or `arm64` depending on your system)\n",
+    "\n",
+    "3. Follow the installation prompts and allow the installer to initialize Miniforge.\n",
+    "\n",
+    "4. Restart your terminal or run:\n",
+    "```bash\n",
+    "source ~/.bash_profile  # or ~/.zshrc if using zsh\n",
+    "```\n",
+    "\n",
+    "5. Verify the installation:\n",
+    "```bash\n",
+    "mamba --version\n",
+    "conda --version\n",
+    "```\n",
+    "\n",
+    "  - Alternatively, if you have Homebrew installed, you can run:\n",
+    "```bash\n",
+    "brew install --cask miniforge\n",
+    "```"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "68d32a65",
+   "metadata": {
+    "editable": false
+   },
+   "source": [
+    "#### Installing and Running Jupyter Notebooks with Mamba"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "38068a3a",
+   "metadata": {
+    "editable": false
+   },
+   "source": [
+    "1. Once Miniforge/Mamba is installed, you can install JupyterLab in a new environment for your project:\n",
+    "```bash\n",
+    "mamba create -n myproject python=3.11 jupyterlab\n",
+    "mamba activate myproject\n",
+    "```\n",
+    "\n",
+    "2. Start Jupyter:\n",
+    "```bash\n",
+    "jupyter notebook\n",
+    "```\n",
+    "or\n",
+    "```bash\n",
+    "jupyter lab\n",
+    "```\n",
+    "\n",
+    "This will open a new tab in your web browser with the Jupyter interface, ready for you to start coding!"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "ac3d4b98",
+   "metadata": {
+    "editable": false
+   },
+   "source": []
   }
  ],
  "metadata": {
@@ -2941,7 +3285,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.12.3"
+   "version": "3.13.0"
   }
  },
  "nbformat": 4,
diff --git a/Basics_filled.ipynb b/Basics_filled.ipynb
index 2cad84b..961da39 100644
--- a/Basics_filled.ipynb
+++ b/Basics_filled.ipynb
@@ -3514,11 +3514,313 @@
   },
   {
    "cell_type": "markdown",
-   "id": "3ebab575",
+   "id": "fb1b118c",
    "metadata": {},
    "source": [
-    "<!-- #endsolution -->"
+    "# <ins>**Appendix: Running python locally**</ins>"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "d029a1c0",
+   "metadata": {},
+   "source": [
+    "To run python outside of the JupyterLite environment you need to install it locally. As with a lot of large programming languages there are multiple solutions to do this. The two common families of solutions are python with pip and conda/mamba."
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "e8556ab8",
+   "metadata": {},
+   "source": [
+    "| Feature | **Python with pip** | **Conda/Mamba** |\n",
+    "|---------|----------------|-----------------|\n",
+    "| **Installation** | Install Python from python.org, pip included | Install Anaconda/Miniconda distribution |\n",
+    "| **Package Management** | `pip install package` | `conda install package` or `mamba install package` |\n",
+    "| **Environment Management** | `venv` or `virtualenv` (separate tools) | Built-in: `conda create -n myenv` |\n",
+    "| **Package Repository** | PyPI (Python Package Index) | Anaconda repository + conda-forge |\n",
+    "| **Non-Python Dependencies** | Limited (Python packages only) | Excellent (handles Python, R, C libraries, etc.) |\n",
+    "| **Complexity** | Simpler, more lightweight | More comprehensive, heavier |\n",
+    "| **Best For** | Pure Python development, simple projects | Data science, scientific computing, complex dependencies |\n",
+    "| **Speed** | Fast package installation | Slower (conda), faster with mamba |\n",
+    "| **Architecture Support** | Excellent (source packages work on any architecture, if compiling tools available) | Limited to pre-built binaries for common architectures |\n",
+    "| **Reproducibility** | `requirements.txt` | `environment.yml` with exact versions |\n",
+    "| **Modern Tooling** | **uv** (ultra-fast installer), **Poetry** (dependency & packaging) | **Mamba** (faster conda drop-in replacement), **Pixi** (modern project/workflow tool) |"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "9bf355f1",
+   "metadata": {},
+   "source": [
+    "### Installing Python and pip"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "d0b30d43",
+   "metadata": {},
+   "source": [
+    "#### On Windows:"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "e0a9656c",
+   "metadata": {},
+   "source": [
+    "1. Go to https://www.python.org/downloads/) and choose the latest stable installer for Windows (for example, “Windows installer (64-bit)”).\n",
+    "2. During installation, make sure to check the box “Add Python to PATH” so you can use Python from any command prompt.\n",
+    "3. After installation finishes, open a new Terminal (Command Prompt or PowerShell) and type:\n",
+    "\n",
+    "```python\n",
+    "python --version\n",
+    "```\n",
+    "\n",
+    "This should confirm that Python installed successfully.\n",
+    "\n",
+    "  - Alternatively, you could install the Anaconda distribution from https://www.anaconda.com/products/distribution, which includes Python and a variety of data-science packages by default."
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "b03e4874",
+   "metadata": {},
+   "source": [
+    "#### On Linux (Ubuntu/Debian-based):"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "546d664c",
+   "metadata": {},
+   "source": [
+    "1. Open a terminal.\n",
+    "2. Run:\n",
+    "```\n",
+    "sudo apt-get update\n",
+    "sudo apt-get install python3 python3-pip\n",
+    "```\n",
+    "(Adjust to python or python3 depending on your distribution)\n",
+    "\n",
+    "3. Confirm your installation by running:\n",
+    "```python\n",
+    "python3 --version\n",
+    "```\n",
+    "\n",
+    "  - For Fedora or other distributions, replace `apt-get` with `yum`, `dnf`, or your distro’s package manager.\n",
+    "  - You can also install Anaconda if you want a more complete environment."
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "d25e9eaa",
+   "metadata": {},
+   "source": [
+    "#### On macOS:"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "32384276",
+   "metadata": {},
+   "source": [
+    "1. Visit https://www.python.org/downloads/ and download the macOS installer (e.g., “macOS 64-bit universal2 installer”).\n",
+    "2. Double-click the `.pkg` file and follow the prompts.\n",
+    "3. After installation, open Terminal and check:\n",
+    "```\n",
+    "python3 --version\n",
+    "```\n",
+    "\n",
+    "  - Alternatively, on macOS you can install Python via Homebrew (if you already have Homebrew installed) by running:\n",
+    "```\n",
+    "brew install python3\n",
+    "```"
    ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "6ad36f9c",
+   "metadata": {},
+   "source": [
+    "#### Installing and Running Jupyter Notebooks"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "88323ba7",
+   "metadata": {},
+   "source": [
+    "1. Once Python is installed (whether from python.org, your Linux package manager, or Anaconda), you can install Jupyter Lab as follows:\n",
+    "```\n",
+    "pip install jupyterlab\n",
+    "```\n",
+    "(Use `pip3` if needed, e.g., › `pip3 install jupyter`)\n",
+    "\n",
+    "2. When everything is installed, you can start a Jupyter notebook server (or Jupyter Lab) and work on your Python exercises by simply running in your terminal or command prompt:\n",
+    "```\n",
+    "jupyter notebook\n",
+    "```\n",
+    "or\n",
+    "```\n",
+    "jupyter lab\n",
+    "```\n",
+    "\n",
+    "This will open a new tab in your web browser with the Jupyter Notebook or Jupyter Lab interface, ready for you to start coding!"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "1ea7de96",
+   "metadata": {},
+   "source": [
+    "### Installing Mamba (via Miniforge)"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "88f8fa02",
+   "metadata": {},
+   "source": [
+    "#### On Windows:"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "bc5d5add",
+   "metadata": {},
+   "source": [
+    "1. Go to https://github.com/conda-forge/miniforge and download the Miniforge3 installer for Windows (e.g., \"Miniforge3-Windows-x86_64.exe\").\n",
+    "2. Run the installer and follow the prompts. You can accept the default options.\n",
+    "3. After installation, open \"Miniforge Prompt\" from the Start menu and verify:\n",
+    "\n",
+    "```bash\n",
+    "mamba --version\n",
+    "conda --version\n",
+    "```\n",
+    "\n",
+    "This should confirm that Mamba and Conda are installed successfully.\n",
+    "\n",
+    "  - Miniforge comes with `mamba` pre-installed and uses conda-forge as the default channel."
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "a9daafa9",
+   "metadata": {},
+   "source": [
+    "#### On Linux (Ubuntu/Debian-based and others):"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "ba271553",
+   "metadata": {},
+   "source": [
+    "1. Open a terminal and download the installer:\n",
+    "```bash\n",
+    "wget https://github.com/conda-forge/miniforge/releases/latest/download/Miniforge3-Linux-x86_64.sh\n",
+    "```\n",
+    "\n",
+    "2. Run the installer:\n",
+    "```bash\n",
+    "bash Miniforge3-Linux-x86_64.sh\n",
+    "```\n",
+    "\n",
+    "3. Follow the prompts, accept the license, and allow the installer to initialize Miniforge.\n",
+    "\n",
+    "4. Restart your terminal or run:\n",
+    "```bash\n",
+    "source ~/.bashrc\n",
+    "```\n",
+    "\n",
+    "5. Confirm your installation:\n",
+    "```bash\n",
+    "mamba --version\n",
+    "conda --version\n",
+    "```\n",
+    "\n",
+    "  - For ARM-based systems, download `Miniforge3-Linux-aarch64.sh` instead."
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "f2e714e4",
+   "metadata": {},
+   "source": [
+    "#### On macOS:"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "232aee40",
+   "metadata": {},
+   "source": [
+    "1. Download the installer from https://github.com/conda-forge/miniforge:\n",
+    "   - For Intel Macs: `Miniforge3-MacOSX-x86_64.sh`\n",
+    "   - For Apple Silicon (M1/M2/M3): `Miniforge3-MacOSX-arm64.sh`\n",
+    "\n",
+    "2. Open Terminal and navigate to your Downloads folder, then run:\n",
+    "```bash\n",
+    "bash Miniforge3-MacOSX-*.sh\n",
+    "```\n",
+    "(Replace `*` with `x86_64` or `arm64` depending on your system)\n",
+    "\n",
+    "3. Follow the installation prompts and allow the installer to initialize Miniforge.\n",
+    "\n",
+    "4. Restart your terminal or run:\n",
+    "```bash\n",
+    "source ~/.bash_profile  # or ~/.zshrc if using zsh\n",
+    "```\n",
+    "\n",
+    "5. Verify the installation:\n",
+    "```bash\n",
+    "mamba --version\n",
+    "conda --version\n",
+    "```\n",
+    "\n",
+    "  - Alternatively, if you have Homebrew installed, you can run:\n",
+    "```bash\n",
+    "brew install --cask miniforge\n",
+    "```"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "68d32a65",
+   "metadata": {},
+   "source": [
+    "#### Installing and Running Jupyter Notebooks with Mamba"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "38068a3a",
+   "metadata": {},
+   "source": [
+    "1. Once Miniforge/Mamba is installed, you can install JupyterLab in a new environment for your project:\n",
+    "```bash\n",
+    "mamba create -n myproject python=3.11 jupyterlab\n",
+    "mamba activate myproject\n",
+    "```\n",
+    "\n",
+    "2. Start Jupyter:\n",
+    "```bash\n",
+    "jupyter notebook\n",
+    "```\n",
+    "or\n",
+    "```bash\n",
+    "jupyter lab\n",
+    "```\n",
+    "\n",
+    "This will open a new tab in your web browser with the Jupyter interface, ready for you to start coding!"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "ac3d4b98",
+   "metadata": {},
+   "source": []
   }
  ],
  "metadata": {
@@ -3537,7 +3839,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.12.3"
+   "version": "3.13.0"
   }
  },
  "nbformat": 4,