Added DeepSeek to weeks 1, 2 and 8

week2/day1.ipynb

@@ -69,12 +69,19 @@
     "For Anthropic, visit https://console.anthropic.com/  \n",
     "For Google, visit https://ai.google.dev/gemini-api  \n",
     "\n",
+    "### Also - adding DeepSeek if you wish\n",
+    "\n",
+    "Optionally, if you'd like to also use DeepSeek, create an account [here](https://platform.deepseek.com/), create a key [here](https://platform.deepseek.com/api_keys) and top up with at least the minimum $2 [here](https://platform.deepseek.com/top_up).\n",
+    "\n",
+    "### Adding API keys to your .env file\n",
+    "\n",
     "When you get your API keys, you need to set them as environment variables by adding them to your `.env` file.\n",
     "\n",
     "```\n",
     "OPENAI_API_KEY=xxxx\n",
     "ANTHROPIC_API_KEY=xxxx\n",
     "GOOGLE_API_KEY=xxxx\n",
+    "DEEPSEEK_API_KEY=xxxx\n",
     "```\n",
     "\n",
     "Afterwards, you may need to restart the Jupyter Lab Kernel (the Python process that sits behind this notebook) via the Kernel menu, and then rerun the cells from the top."
@@ -120,7 +127,7 @@
     "# Load environment variables in a file called .env\n",
     "# Print the key prefixes to help with any debugging\n",
     "\n",
-    "load_dotenv()\n",
+    "load_dotenv(override=True)\n",
     "openai_api_key = os.getenv('OPENAI_API_KEY')\n",
     "anthropic_api_key = os.getenv('ANTHROPIC_API_KEY')\n",
     "google_api_key = os.getenv('GOOGLE_API_KEY')\n",
@@ -350,6 +357,123 @@
     "print(response.choices[0].message.content)"
    ]
   },
+  {
+   "cell_type": "markdown",
+   "id": "33f70c88-7ca9-470b-ad55-d93a57dcc0ab",
+   "metadata": {},
+   "source": [
+    "## (Optional) Trying out the DeepSeek model\n",
+    "\n",
+    "### Let's ask DeepSeek a really hard question - both the Chat and the Reasoner model"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "3d0019fb-f6a8-45cb-962b-ef8bf7070d4d",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "# Optionally if you wish to try DeekSeek, you can also use the OpenAI client library\n",
+    "\n",
+    "deepseek_api_key = os.getenv('DEEPSEEK_API_KEY')\n",
+    "\n",
+    "if deepseek_api_key:\n",
+    "    print(f\"DeepSeek API Key exists and begins {deepseek_api_key[:3]}\")\n",
+    "else:\n",
+    "    print(\"DeepSeek API Key not set - please skip to the next section if you don't wish to try the DeepSeek API\")"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "c72c871e-68d6-4668-9c27-96d52b77b867",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "# Using DeepSeek Chat\n",
+    "\n",
+    "deepseek_via_openai_client = OpenAI(\n",
+    "    api_key=deepseek_api_key, \n",
+    "    base_url=\"https://api.deepseek.com\"\n",
+    ")\n",
+    "\n",
+    "response = deepseek_via_openai_client.chat.completions.create(\n",
+    "    model=\"deepseek-chat\",\n",
+    "    messages=prompts,\n",
+    ")\n",
+    "\n",
+    "print(response.choices[0].message.content)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "50b6e70f-700a-46cf-942f-659101ffeceb",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "challenge = [{\"role\": \"system\", \"content\": \"You are a helpful assistant\"},\n",
+    "             {\"role\": \"user\", \"content\": \"How many words are there in your answer to this prompt\"}]"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "66d1151c-2015-4e37-80c8-16bc16367cfe",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "# Using DeepSeek Chat with a harder question! And streaming results\n",
+    "\n",
+    "stream = deepseek_via_openai_client.chat.completions.create(\n",
+    "    model=\"deepseek-chat\",\n",
+    "    messages=challenge,\n",
+    "    stream=True\n",
+    ")\n",
+    "\n",
+    "reply = \"\"\n",
+    "display_handle = display(Markdown(\"\"), display_id=True)\n",
+    "for chunk in stream:\n",
+    "    reply += chunk.choices[0].delta.content or ''\n",
+    "    reply = reply.replace(\"```\",\"\").replace(\"markdown\",\"\")\n",
+    "    update_display(Markdown(reply), display_id=display_handle.display_id)\n",
+    "\n",
+    "print(\"Number of words:\", len(reply.split(\" \")))"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "43a93f7d-9300-48cc-8c1a-ee67380db495",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "# Using DeepSeek Reasoner - this may hit an error if DeepSeek is busy\n",
+    "# It's over-subscribed (as of 28-Jan-2025) but should come back online soon!\n",
+    "# If this fails, come back to this in a few days..\n",
+    "\n",
+    "response = deepseek_via_openai_client.chat.completions.create(\n",
+    "    model=\"deepseek-reasoner\",\n",
+    "    messages=challenge\n",
+    ")\n",
+    "\n",
+    "reasoning_content = response.choices[0].message.reasoning_content\n",
+    "content = response.choices[0].message.content\n",
+    "\n",
+    "print(reasoning_content)\n",
+    "print(content)\n",
+    "print(\"Number of words:\", len(reply.split(\" \")))"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "c09e6b5c-6816-4cd3-a5cd-a20e4171b1a0",
+   "metadata": {},
+   "source": [
+    "## Back to OpenAI with a serious question"
+   ]
+  },
   {
    "cell_type": "code",
    "execution_count": null,