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→{{header|Mathematica}}
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</pre>
=={{header|Mathematica}}/{{header|Wolfram Language}}==
<lang Mathematica>data = Dataset[{
<|"name" -> "Lagos", "population" -> 21.|>,
<|"name" -> "Cairo", "population" -> 15.2|>,
Line 1,885 ⟶ 1,884:
<|"name" -> "Casablanca", "population" -> 3.98|>
}]
data[Position["Dar Es Salaam"], "name"][1, 1] - 1
data[Select[#population < 5 &]][1, "name"]
data[Select[StringMatchQ[#name, "A*"] &]][1, "population"]</lang>
=={{header|Nim}}==
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