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Appending list of key:value pairs without adding more curly braces in Python

October 6, 2022

I need to append a list of key:value pairs multiple times. However, this produces additional curly braces after each .append().

Basically, I have something like this:

textToDump = {"food": "cereal_bowl",
                      "ingredients":[]}
    
textToDump["ingredients"].append({"milk": 100,
                                 "cereal": 100,
                                 })
textToDump["ingredients"].append({"honey": 10})
print(textToDump)

which results in:

{'food': 'cereal_bowl', 'ingredients': [{'milk': 100, 'cereal': 100}, {'honey': 10}]}

what I need is:

{'food': 'cereal_bowl', 'ingredients': [{'milk': 100, 'cereal': 100, 'honey': 10]}

I also tried using dictionary+.update() instead of list. However, I need to be able to have duplicate entries in my structure ("ingredients"). What would be the simplest way of achieving this?

Thanks in advance.

>Solution :

textToDump = {"food": "cereal_bowl", "ingredients": []}

textToDump["ingredients"].append(
    {
        "milk": 100,
        "cereal": 100,
    }
)
textToDump["ingredients"][0].update({"honey": 10})