Enable Javascript in your browser and then refresh this page, for a much enhanced experience.
My First, Using isinstance and Recursion solution in Clear category for The Flat Dictionary by d_rabenko
def flatten(dictionary, ans=None, k=''):
# your code here
if ans == None:
ans = dict()
for key, value in dictionary.items():
pref = (k + '/' + key) if k else key
if isinstance(value, dict):
if not value:
ans[pref] = ''
else:
flatten(value, ans, pref)
else:
ans[pref] = dictionary[key]
return ans
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!')
Jan. 6, 2018
