price: float | None = None
    tax: float = 10.5
    tags: list[str] = []


items = {
    "foo": {"name": "Foo", "price": 50.2},
    "bar": {"name": "Bar", "description": "The bartenders", "price": 62, "tax": 20.2},
    "baz": {"name": "Baz", "description": None, "price": 50.2, "tax": 10.5, "tags": []},
}


@app.get("/items/{item_id}", response_model=Item)
async def read_item(item_id: str):
    return items[item_id]

Klaus Post <******@****.***> 1756435188 +0200

Klaus Post <******@****.***> 1717775512 -0700

    assertThat(formEncode(58)).isEqualTo("%3A")
    assertThat(formEncode(59)).isEqualTo("%3B")
    assertThat(formEncode(60)).isEqualTo("%3C")
    assertThat(formEncode(61)).isEqualTo("%3D")
    assertThat(formEncode(62)).isEqualTo("%3E")
    assertThat(formEncode(63)).isEqualTo("%3F")
    assertThat(formEncode(64)).isEqualTo("%40")
    assertThat(formEncode(65)).isEqualTo("A")
    assertThat(formEncode(90)).isEqualTo("Z")

Matthew Dempsky <******@****.***> 1693101993 -0700

0000010 00 00 00 00 00 00 00 00 00 00 0a 00 00 00 62 69
0000020 67 67 65 72 2e 7a 69 70 ec dc 6b 4c 53 67 18 07
0000030 f0 16 c5 ca 65 2e cb b8 94 20 61 1f 44 33 c7 cd
0000040 c0 86 4a b5 c0 62 8a 61 05 c6 cd 91 b2 54 8c 1b
0000050 63 8b 03 9c 1b 95 52 5a e3 a0 19 6c b2 05 59 44
0000060 64 9d 73 83 71 11 46 61 14 b9 1d 14 09 4a c3 60
0000070 2e 4c 6e a5 60 45 02 62 81 95 b6 94 9e 9e 77 e7

  @SuppressWarnings("InlineMeInliner") // String.repeat unavailable under Java 8
  static final String LOTS_OF_DELTAS = Strings.repeat(DELTA, 62);

  @SuppressWarnings("InlineMeInliner") // String.repeat unavailable under Java 8
  private static final String ALMOST_TOO_MANY_LEVELS = Strings.repeat("a.", 127);

        message[58] = 0;
        message[59] = 0;

        // Flags (NTLMSSP_NEGOTIATE_UNICODE)
        message[60] = 0x01; // NTLMSSP_NEGOTIATE_UNICODE
        message[61] = 0x00;
        message[62] = 0x00;
        message[63] = 0x00;

        // Add dummy LM response (24 zeros at offset 64)
        for (int i = 0; i < 24; i++) {
            message[64 + i] = 0;
        }

		// Test with invalid prefix (61)
		{"test-bucket-list-object", "\\", "", SlashSeparator, 10, ListObjectsInfo{}, nil, true},
		// Test listing an empty directory in recursive mode (62)
		{"test-bucket-empty-dir", "", "", "", 10, resultCases[31], nil, true},
		// Test listing an empty directory in a non recursive mode (63)
		{"test-bucket-empty-dir", "", "", SlashSeparator, 10, resultCases[32], nil, true},

But if your data has values for the model's fields with default values, like the item with ID `bar`:

```Python hl_lines="3  5"
{
    "name": "Bar",
    "description": "The bartenders",
    "price": 62,
    "tax": 20.2
}
```

they will be included in the response.

#### Data with the same values as the defaults { #data-with-the-same-values-as-the-defaults }