✨ Add docs and tests for Python 3.9 and Python 3.10 (#3712)

Co-authored-by: Thomas Grainger <tagrain@gmail.com>

docs_src/security/tutorial002_py310.py

@@ -0,0 +1,30 @@
+from fastapi import Depends, FastAPI
+from fastapi.security import OAuth2PasswordBearer
+from pydantic import BaseModel
+
+app = FastAPI()
+
+oauth2_scheme = OAuth2PasswordBearer(tokenUrl="token")
+
+
+class User(BaseModel):
+    username: str
+    email: str | None = None
+    full_name: str | None = None
+    disabled: bool | None = None
+
+
+def fake_decode_token(token):
+    return User(
+        username=token + "fakedecoded", email="john@example.com", full_name="John Doe"
+    )
+
+
+async def get_current_user(token: str = Depends(oauth2_scheme)):
+    user = fake_decode_token(token)
+    return user
+
+
+@app.get("/users/me")
+async def read_users_me(current_user: User = Depends(get_current_user)):
+    return current_user