Remove empty arrays, objects or null elements from a JSON value

remove_empty_elements.py

def remove_empty_elements(d):
    """recursively remove empty lists, empty dicts, or None elements from a dictionary"""

    def empty(x):
        return x is None or x == {} or x == []

    if not isinstance(d, (dict, list)):
        return d
    elif isinstance(d, list):
        return [v for v in (remove_empty_elements(v) for v in d) if not empty(v)]
    else:
        return {k: v for k, v in ((k, remove_empty_elements(v)) for k, v in d.items()) if not empty(v)}

thanks sm worked marvellously

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