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def flatten_json(nested_json): | |
""" | |
Flatten json object with nested keys into a single level. | |
Args: | |
nested_json: A nested json object. | |
Returns: | |
The flattened json object if successful, None otherwise. | |
""" | |
out = {} | |
def flatten(x, name=''): | |
if type(x) is dict: | |
for a in x: | |
flatten(x[a], name + a + '_') | |
elif type(x) is list: | |
i = 0 | |
for a in x: | |
flatten(a, name + str(i) + '_') | |
i += 1 | |
else: | |
out[name[:-1]] = x | |
flatten(nested_json) | |
return out |
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