Скачать или смотреть How to Use the OpenAI API in Python (Full Tutorial + Setup + Example)

Want to build your own chatbot or app with OpenAI’s API (like ChatGPT or GPT-4)?
This beginner-friendly tutorial walks you through everything you need to get started — from creating your OpenAI account to writing your first working Python script using the openai library.

🧠 What you'll learn:
-How to sign up for the OpenAI API
-How to create and secure your API key
-Billing & pricing breakdown (how much does it cost?)
-How to install the openai Python library
-Example chatbot code (step-by-step)

📌 Code sample included — perfect for beginners!
💡 No previous coding experience required.
👉 Subscribe for more AI & Python beginner videos!

#### Copy everything below this line into your app.py file ####
from openai import OpenAI
client = OpenAI(api_key="your-api-key-here")
while True:
user_input = input("You: ")
if user_input.lower() in {"exit", "quit"}:
break
response = client.chat.completions.create(
model="gpt-4", # or "gpt-3.5-turbo"
messages=[{"role": "user", "content": user_input}]
)
print("ChatGPT:", response.choices[0].message.content)
#### Copy everything above this line into your app.py file ####

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