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README.md
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@ -187,6 +187,13 @@ app = FastAPI() |
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async def read_root(): |
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return {"Hello": "World"} |
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#### Explanation |
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- `@app.get("/")` defines an HTTP GET endpoint for the root URL (`/`) |
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- When a client accesses this URL, the function `read_root()` is executed |
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- The returned dictionary is automatically converted into a JSON response |
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This shows how FastAPI maps routes directly to Python functions. |
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@app.get("/items/{item_id}") |
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async def read_item(item_id: int, q: str | None = None): |
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