db_user = crud.get_user_by_email(db, email=user.email)
    if db_user:
        raise HTTPException(status_code=400, detail="Email already registered")
    return crud.create_user(db=db, user=user)


@app.get("/users/", response_model=list[schemas.User])
def read_users(skip: int = 0, limit: int = 100, db: Session = Depends(get_db)):
    users = crud.get_users(db, skip=skip, limit=limit)
    return users

    ```

**FastAPI** 🤙 `CommonQueryParams` 🎓. 👉 ✍ "👐" 👈 🎓 & 👐 🔜 🚶‍♀️ 🔢 `commons` 👆 🔢.

## 🆎 ✍ 🆚 `Depends`

👀 ❔ 👥 ✍ `CommonQueryParams` 🕐 🔛 📟:

```Python
commons: CommonQueryParams = Depends(CommonQueryParams)
```

🏁 `CommonQueryParams`,:

```Python
... = Depends(CommonQueryParams)
```

...⚫️❔ **FastAPI** 🔜 🤙 ⚙️ 💭 ⚫️❔ 🔗.

                       input_shape);
  }

  // If we *do* have traces or transpose operations, then prepend the extra
  // reduced dimensions to the front. E.g. Given the equation "aabbcd->ca" we'd
  // first obtain the VJP for "bdca->ca", and then the VJP for "aabbcd->bdca".
  //
  // Obtain the input shape with reduced dimensions prepended, viz. [5,4,3,2].
  // This is the shape of the intermediate "bdca".

def create_user(user: schemas.UserCreate, db: Session = Depends(get_db)):
    db_user = crud.get_user_by_email(db, email=user.email)
    if db_user:
        raise HTTPException(status_code=400, detail="Email already registered")
    return crud.create_user(db=db, user=user)


@app.get("/users/", response_model=list[schemas.User])
def read_users(skip: int = 0, limit: int = 100, db: Session = Depends(get_db)):

    return user


async def get_current_active_user(
    current_user: Annotated[User, Depends(get_current_user)],
):
    if current_user.disabled:
        raise HTTPException(status_code=400, detail="Inactive user")
    return current_user


@app.post("/token")
async def login(form_data: Annotated[OAuth2PasswordRequestForm, Depends()]):
    user_dict = fake_users_db.get(form_data.username)
    if not user_dict:

@router.websocket("/depends-err/")
async def router_ws_depends_err(websocket: WebSocket, data=Depends(ws_dependency_err)):
    pass  # pragma: no cover


async def ws_dependency_validate(x_missing: str = Header()):
    pass  # pragma: no cover


@router.websocket("/depends-validate/")
async def router_ws_depends_validate(
    websocket: WebSocket, data=Depends(ws_dependency_validate)
):

        return foo

    with pytest.raises(
        AssertionError,
        match=(
            "Cannot specify `Depends` in `Annotated` and default value"
            " together for 'foo'"
        ),
    ):

        @app.get("/")
        async def get2(foo: Annotated[int, Depends(dep)] = Depends(dep)):
            pass  # pragma: nocover

    with pytest.raises(
        AssertionError,
        match=(

    db_user = crud.get_user_by_email(db, email=user.email)
    if db_user:
        raise HTTPException(status_code=400, detail="Email already registered")
    return crud.create_user(db=db, user=user)


@app.get("/users/", response_model=list[schemas.User])
def read_users(skip: int = 0, limit: int = 100, db: Session = Depends(get_db)):
    users = crud.get_users(db, skip=skip, limit=limit)
    return users

    assert repr(Body([])) == "Body([])"


def test_depends_repr():
    assert repr(Depends()) == "Depends(NoneType)"
    assert repr(Depends(get_user)) == "Depends(get_user)"
    assert repr(Depends(use_cache=False)) == "Depends(NoneType, use_cache=False)"
    assert (
        repr(Depends(get_user, use_cache=False)) == "Depends(get_user, use_cache=False)"

        )
    return user


async def get_current_active_user(current_user: User = Depends(get_current_user)):
    if current_user.disabled:
        raise HTTPException(status_code=400, detail="Inactive user")
    return current_user


@app.post("/token")
async def login(form_data: OAuth2PasswordRequestForm = Depends()):
    user_dict = fake_users_db.get(form_data.username)
    if not user_dict: