python json check if key exists

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Julián
27 Jun 2016
1import json
2  if 'id' not in dest:
3      dest['id'] = -1
4    targetId = dest['id']
source
Nicole
24 Oct 2020
1if 'to' not in data:
2    raise ValueError("No target in given data")
3if 'data' not in data['to']:
4    raise ValueError("No data for target")
source
Dallas
05 Sep 2019
1json_string = """{"a": 1, "b": 2, "c": 3}"""
2a_dictionary = json.loads(json_string)
3
4b_in_dict =  "b" in a_dictionary
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