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Python check if attribute exists in dictionary

Python check if key exists

# You can use 'in' on a dictionary to check if a key exists
d = {"key1": 10, "key2": 23}
"key1" in d
# Output:
# True

22

Python check if attribute exists in dictionary

a_json = {"attr1":"value1"}
a_json["attr2"] = 0.75

key = "attr2"
if key in a_json:
    print(a_json[key])

0

Python check if property exists in dictionary

if key in array:
  # do something

0

Source: stackoverflow.com

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