Array of dictionaries in Python

Question

I am trying to create an Python array of dictionaries where the input order is important and the data may be of various types. (I.e. string, integer, float, etc.)

Here's what an example would look like in Lua:

build =
{
    { 
        Type =                  SubSystem, 
        ThingToBuild =          "fighter",
        RequiredResearch =      "",
        RequiredShipSubSystems =    "",
        DisplayPriority =       0,
        DisplayedName =         "$7000",
        Description =           "$7001"
    },
    { 
        Type =                  SubSystem, 
        ThingToBuild =          "corvette",
        RequiredResearch =      "",
        RequiredShipSubSystems =    "",
        DisplayPriority =       0,
        DisplayedName =         "$7002",
        Description =           "$7003"
    },
    { 
        Type =                  SubSystem, 
        ThingToBuild =          "frigate",
        RequiredResearch =      "",
        RequiredShipSubSystems =    "",
        DisplayPriority =       0,
        DisplayedName =         "$7004",
        Description =           "$7005"
    },
}

How would I accomplish this using similar shorthand/syntactic sugar in Python? Thanks.

Will Python remember the order in which the list/dictionary items are inputted? — posfan12
– posfan12, Commented Sep 17, 2020 at 5:28
I'm not very familiar with Python. This site says to use an OrderedDict but does not use the shorthand. — posfan12
– posfan12, Commented Sep 17, 2020 at 5:41

Barmar · Accepted Answer · 2020-09-17 05:32:14Z

Python's arrays are called lists, you put them in square brackets.

Dictionaries are in curly brackets, but literal keys have to be quoted, and you use : to delimit the keys and values.

build = [
    { 
        "Type":                  SubSystem, 
        "ThingToBuild":          "fighter",
        "RequiredResearch":      "",
        "RequiredShipSubSystems":    "",
        "DisplayPriority":       0,
        "DisplayedName":         "$7000",
        "Description":           "$7001"
    },
    { 
        "Type":                  SubSystem, 
        "ThingToBuild":          "corvette",
        "RequiredResearch":      "",
        "RequiredShipSubSystems":    "",
        "DisplayPriority":       0,
        "DisplayedName":         "$7002",
        "Description":           "$7003"
    },
    { 
        "Type":                  SubSystem, 
        "ThingToBuild":          "frigate",
        "RequiredResearch":      "",
        "RequiredShipSubSystems":    "",
        "DisplayPriority":       0,
        "DisplayedName":         "$7004",
        "Description":           "$7005"
    }
]

Since Python 3.7, dictionaries preserve the order of the elements. Prior to that, it was necessary to use OrderedDict.

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