configurado para usar base64 para lidar tanto com a entrada (*validar*) com `val_json_bytes` quanto com a saída (*serializar*) com `ser_json_bytes` ao receber e enviar dados JSON.

{* ../../docs_src/json_base64_bytes/tutorial001_py310.py ln[1:2,19:26,29,44:46] hl[23:26] *}...

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