t81_559_class_01_3_openai.ipynb

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   "source": [
    "<a href=\"https://colab.research.google.com/github/jeffheaton/app_generative_ai/blob/main/t81_559_class_01_3_openai.ipynb\" target=\"_parent\"><img src=\"https://colab.research.google.com/assets/colab-badge.svg\" alt=\"Open In Colab\"/></a>"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {
    "id": "euOZxlIMhstX"
   },
   "source": [
    "# T81-559: Applications of Generative Artificial Intelligence\n",
    "**Module 1: Course Overview**\n",
    "* Instructor: [Jeff Heaton](https://sites.wustl.edu/jeffheaton/), McKelvey School of Engineering, [Washington University in St. Louis](https://engineering.wustl.edu/Programs/Pages/default.aspx)\n",
    "* For more information visit the [class website](https://sites.wustl.edu/jeffheaton/t81-558/)."
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {
    "id": "d4Yov72PhstY"
   },
   "source": [
    "# Module 1 Material\n",
    "\n",
    "* Part 1.1: Course Overview [[Video]](https://www.youtube.com/watch?v=OVS-6s20Ms0) [[Notebook]](t81_559_class_01_1_overview.ipynb)\n",
    "* Part 1.2: Generative AI Overview [[Video]](https://www.youtube.com/watch?v=ohmPaSsKhMs) [[Notebook]](t81_559_class_01_2_genai.ipynb)\n",
    "* **Part 1.3: Introduction to OpenAI** [[Video]](https://www.youtube.com/watch?v=C2xyi2Cq-bU) [[Notebook]](t81_559_class_01_3_openai.ipynb)\n",
    "* Part 1.4: Introduction to LangChain [[Video]](https://www.youtube.com/watch?v=qQI5AhaKxuI) [[Notebook]](t81_559_class_01_4_langchain.ipynb)\n",
    "* Part 1.5: Prompt Engineering [[Video]](https://www.youtube.com/watch?v=_Uot1i5sIXo) [[Notebook]](t81_559_class_01_5_prompt_engineering.ipynb)\n"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {
    "id": "AcAUP0c3hstY"
   },
   "source": [
    "# Google CoLab Instructions\n",
    "\n",
    "The following code ensures that Google CoLab is running and maps Google Drive if needed."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 1,
   "metadata": {
    "colab": {
     "base_uri": "https://localhost:8080/"
    },
    "id": "xsI496h5hstZ",
    "outputId": "e6e00411-20f3-47e1-916e-0a66730d6875"
   },
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Note: using Google CoLab\n",
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     ]
    }
   ],
   "source": [
    "import os\n",
    "\n",
    "try:\n",
    "    from google.colab import drive, userdata\n",
    "    COLAB = True\n",
    "    print(\"Note: using Google CoLab\")\n",
    "except:\n",
    "    print(\"Note: not using Google CoLab\")\n",
    "    COLAB = False\n",
    "\n",
    "# OpenAI Secrets\n",
    "if COLAB:\n",
    "    os.environ[\"OPENAI_API_KEY\"] = userdata.get('OPENAI_API_KEY')\n",
    "\n",
    "# Install needed libraries in CoLab\n",
    "if COLAB:\n",
    "    !pip install langchain langchain_openai"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {
    "id": "pC9A-LaYhsta"
   },
   "source": [
    "# Part 1.3: Introduction to OpenAI\n",
    "\n",
    "In this class, you must sign up for an OpenAI account and obtain an API key, a unique identifier allowing you to access OpenAI's programming interfaces. An API key acts as a passcode, enabling secure interaction between your software applications and OpenAI's services. Completing the course may require you to spend up to $100 USD, covering the usage of OpenAI's resources. In the following section, we'll guide you through registering for an OpenAI API key, ensuring you have all the necessary tools and access to engage fully with the course materials and assignments.\n",
    "\n",
    "## Obtaining an API Key\n",
    "\n",
    "You can access the OpenAI system through the following URL. If you do not already have an OpenAI account, you can sign up for one here.\n",
    "\n",
    "* https://platform.openai.com/docs/overview\n",
    "\n",
    "Once you are logged in, look at the vertical bar of options at the left. Select the gear, which is labeled \"Settings\", then select \"Billing\", which will reveal Figure 1.BILLING.\n",
    "\n",
    "**Figure 1.BILLING: Billing Settings**\n",
    "![Billing Settings](https://s3.amazonaws.com/data.heatonresearch.com/images/wustl/app_genai/fig_openai_2.jpg \"Billing Settings\")\n",
    "\n",
    "From this view, you can add a payment method, usually a credit card. You can also add credits, specify to add credits, or cancel your plan automatically. You must add a payment method and some credits to your account. You can start with a small amount of credits, maybe $10, and add more as needed.\n",
    "\n",
    "Once you've added some credits to your account, you must create an \"API key.\" Select the padlock labeled \"API keys\" from the left side. You should see Figure 1.KEYS.\n",
    "\n",
    "**Figure 1.KEYS: OpenAI Keys**\n",
    "![OpenAI Keys](https://s3.amazonaws.com/data.heatonresearch.com/images/wustl/app_genai/fig_openai_1.jpg \"OpenAI Keys\")\n",
    "\n",
    "Click the \"Create new secret key\" button to reveal Figure 1.SECRET.\n",
    "\n",
    "**Figure 1.SECRET: Create New Secret Key**\n",
    "![Create New Secret Key](https://s3.amazonaws.com/data.heatonresearch.com/images/wustl/app_genai/fig_openai_3.jpg \"Create New Secret Key\")\n",
    "\n",
    "You should give your new key a name to recall its use later; you can see the names of other keys I created in Figure 1.KEYS. You can assign \"All permissions.\" Once complete, click \"Create secret key,\" revealing Figure 1.SAVE.\n",
    "\n",
    "**Figure 1.SAVE: Save Your Key**\n",
    "![Save Your Key](https://s3.amazonaws.com/data.heatonresearch.com/images/wustl/app_genai/fig_openai_4.jpg \"Save Your Key\")\n",
    "\n",
    "You will now see the API key, which will look something like:\n",
    "\n",
    "* 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\n",
    "\n",
    "Note that the above key is not valid and is for example only. Please save this secret key somewhere safe and accessible. For security reasons, you won't be able to view it again through your OpenAI account. If you lose this secret key, you must generate a new one. Anyone with this key can use OpenAI with your credit card, so guard this key like you might a credit card number.\n",
    "\n",
    "If you ever think that your key has been compromised, you can always remove it as seen in Figure 1.REMOVE.\n",
    "\n",
    "**Figure 1.REMOVE: Remove Secret Key**\n",
    "![Remove Secret Key](https://s3.amazonaws.com/data.heatonresearch.com/images/wustl/app_genai/fig_openai_5.jpg \"Remove Secret Key\")\n",
    "\n",
    "## Securing your API Key in CoLab\n",
    "\n",
    "If you use CoLab, which is reccomended for this course, then you should define your key as a CoLab secret, as shown in Figure 1.COLAB_SECRET.\n",
    "\n",
    "**Figure 1.COLAB_SECRET: CoLab Secrets**\n",
    "![CoLab Secrets](https://s3.amazonaws.com/data.heatonresearch.com/images/wustl/app_genai/colab_keys.jpg \"CoLab Secrets\")\n",
    "\n",
    "## Securing your API Key in Mac Local (non-CoLab)\n",
    "\n",
    "To make an environment variable permanent, you'll need to add it to your shell profile file. macOS uses zsh as the default shell since macOS Catalina (10.15). For older versions, bash may be the default shell. I'll provide instructions for both.\n",
    "\n",
    "For zsh (default in macOS Catalina and later):\n",
    "1. Open Terminal.\n",
    "\n",
    "2. Open your .zshrc file in a text editor. You can use nano for a command-line option:\n",
    "\n",
    "```\n",
    "nano ~/.zshrc\n",
    "```\n",
    "\n",
    "3. Add your export statement to the end of the file:\n",
    "\n",
    "```\n",
    "export OPENAI_KEY=[YOUR API KEY]\n",
    "```\n",
    "\n",
    "4. Save and close the file. If you're using nano, you can do this by pressing Ctrl + O, Enter, and then Ctrl + X.\n",
    "\n",
    "\n",
    "5. To apply the changes, either restart the terminal or run source ~/.zshrc.\n",
    "\n",
    "## Securing your API Key in Windows Local (non-CoLab)\n",
    "\n",
    "You must set your OpenAI API key as a Windows environmental variable, to do this open PowerShell as an administrator, and run the following command:\n",
    "\n",
    "```\n",
    "[Environment]::SetEnvironmentVariable(\"OPENAI_KEY\", \"[YOUR_KEY]\", [EnvironmentVariableTarget]::User)\n",
    "```\n",
    "\n",
    "## Testing your API Key\n",
    "\n",
    "Running the following code will allow you to test your OpenAI API Key."
   ]
  },
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   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "\n",
      "\n",
      "AI: Yes, I am functioning as intended. Is there something specific you would like me to assist you with?\n"
     ]
    }
   ],
   "source": [
    "from langchain_openai import OpenAI\n",
    "\n",
    "# Initialize the OpenAI LLM with your API key\n",
    "llm = OpenAI()\n",
    "\n",
    "# Ask the language model a question, ensuring the prompt is in a list\n",
    "question = [\"Are you working properly?\"]\n",
    "response = llm.invoke(question)\n",
    "\n",
    "print(response)\n"
   ]
  }
 ],
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