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First solution in Uncategorized category for The Flat Dictionary by Alex_M._Granovsky
def func(nested, k=None):
for key, value in nested.items():
if value and isinstance(value, dict):
yield from func(value, key if k is None else "/".join((k, key)))
else:
yield key if k is None else "/".join((k, key)), value or ""
def flatten(dictionary):
return dict(func(dictionary)) if dictionary else {}
if __name__ == '__main__':
test_input = {"key": {"deeper": {"more": {"enough": "value"}}}}
print(' Input: {}'.format(test_input))
print('Output: {}'.format(flatten(test_input)))
#These "asserts" using only for self-checking and not necessary for auto-testing
assert flatten({"key": "value"}) == {"key": "value"}, "Simple"
assert flatten(
{"key": {"deeper": {"more": {"enough": "value"}}}}
) == {"key/deeper/more/enough": "value"}, "Nested"
assert flatten({"empty": {}}) == {"empty": ""}, "Empty value"
assert flatten({"name": {
"first": "One",
"last": "Drone"},
"job": "scout",
"recent": {},
"additional": {
"place": {
"zone": "1",
"cell": "2"}}}
) == {"name/first": "One",
"name/last": "Drone",
"job": "scout",
"recent": "",
"additional/place/zone": "1",
"additional/place/cell": "2"}
print('You all set. Click "Check" now!')
April 28, 2019
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