my json give as output string and not int in python

Question

import pathlib
a=pathlib.Path(__file__).parent.absolute()
dirc=str(a)+'\\file.json'
dirc2=str(a)+'\\PrettyJson.json'
data={1: {"titolo": "yea boi", "voto": 10, "genere": "a me ne so"}, 2: {"titolo": "yea boi 2", "voto": 8, "genere": "bo"}}

def jsonPrettyPrint():
    with open(dirc,'w') as json_file:
        json.dump(data, json_file)
    with open(dirc) as json_file:
        with open(dirc2,'w') as PrettyJsonFile:
            Obj = json.load(json_file)
            PrettyJson = json.dumps(Obj, indent=4)
            json.dump(PrettyJson,PrettyJsonFile)
            print(PrettyJson)

jsonPrettyPrint()

Here the code, it work properly, but when i print Pretty Json, it give as output this

{
    "1": {
        "titolo": "yea boi",
        "voto": 10,
        "genere": "a me ne so"
    },
    "2": {
        "titolo": "yea boi 2",
        "voto": 8,
        "genere": "bo"
    }
}

as u can see, 2 and 1 are strings and not intengers, but 8 and 10 are intengers, idk why, any help would be appreciated

JSON keys must be strings. That's the only allowed type according to the JSON spec. — rdas
– rdas, Commented Jul 14, 2020 at 7:48
JSON keys can only be strings. Therefore 1 and 2 are strings. — Harun Yilmaz
– Harun Yilmaz, Commented Jul 14, 2020 at 7:48
oh thanks... but i need keys to be intengers in some way, how i can? — Exodia but better
– Exodia but better, Commented Jul 14, 2020 at 7:48

Barmar · Accepted Answer · 2020-07-14 08:00:23Z

1

Convert the keys to int after loading the JSON.

with open(dirc) as json_file:
    data = json.load(json_file)
for key, value in list(data.items()):
    data[int(key)] = value
    del data[key]
print(data)

edited Jul 14, 2020 at 8:00

answered Jul 14, 2020 at 7:50

Barmar

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2 Comments

Exodia but better Over a year ago

oh thanks i was trying to do this, but now ``` File "c:/Users/giuse/OneDrive/Desktop/Anime List/jsonHandler.py", line 21, in <module> for key, value in data.items(): RuntimeError: dictionary changed size during iteration ```

Barmar Over a year ago

Use list(data.items()) to extract everything into a list first.

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