Reference library

Dictionaries & sets

Key–value maps, uniqueness, counting, grouping, and fast lookups.

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Dictionaries & sets easy

How to Validate JSON Types per Key in Python

Load a JSON object and validate the type of each key against an expected schema, reporting missing or mismatched fields.

json validation types
Python 
import json
from typing import Any, Dict, Type

def validate_json_types(data: Dict[str, Any], schema: Dict[str, Type]) -> Dict[str, str]:
    """Validate that each key in data matches the expected type in schema."""
    errors = {}
    for key, expected_type in schema.items():
        if key not in data:
            e…
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