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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def serialize_to_normalized_pretty_json(py_obj):
 """Serialize a native object to normalized, pretty printed JSON. The JSON string is normalized by sorting any dictionary keys. Args: py_obj: object Any object that can be represented in JSON. Some types, such as datetimes are automatically converted to strings. Returns: str: normalized, pretty printed JSON string. """

    return json.dumps(py_obj, sort_keys=True, indent=2, cls=ToJsonCompatibleTypes)