[Python] Sort a polars dataframe based on an external list

Morning,

I'm not sure if this can be achieved..

Let's say i have a polars dataframe with cols a, b (whatever).

df = pl.DataFrame({"a":[1,2,3,4,5],"b":['x','y','z','p','f']})


And a list.. l = [1,3,5,2,4]; is it possible to sort the dataframe (using column "a") using the list l as the sorting order?

Thanks in advance!

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