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To use the ChatGPT API using Python, you can follow these steps:

Step 1: Obtain an API key

  • To use the API, you first need to obtain an API key from OpenAI. You can create an account on their website and then generate an API key.

Step 2: Install the OpenAI package

  • You can install the OpenAI package using pip by running the following command in your terminal:
pip install openai

Step 3: Set up your API key

  • Once you have the API key, you need to set it up as an environment variable in your terminal or IDE. You can do this by running the following command in your terminal:
export OPENAI_API_KEY='your_api_key'

Step 4: Import the OpenAI package and authenticate

  • In your Python code, you can import the OpenAI package and authenticate using your API key. Here is an example:
import openai
openai.api_key = "your_api_key"

Step 5: Use the API

  • Once you have authenticated, you can use the OpenAI API to generate text, answer questions, and more. Here is an example of generating text:
prompt = "What is the meaning of life?"
model = "text-davinci-002"
response = openai.Completion.create(
    engine=model,
    prompt=prompt,
    max_tokens=50
)
print(response.choices[0].text)

In this example, we are using the text-davinci-002 model to generate text in response to the prompt “What is the meaning of life?”. The max_tokens parameter specifies the maximum length of the generated text, and the response is printed to the console.

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