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Remove empty arrays, objects or null elements from a JSON value
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)]
return {k: v for k, v in ((k, remove_empty_elements(v)) for k, v in d.items()) if not empty(v)}
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