can someone help how to get this output
a = [{id: 1, value: 1}, {id: 1, value: 2}, {id: 2, value: 20}, {id: 3, value: 30}]
output-->
{1: [{id: 1, value: 1}, {id: 1, value: 2}], 2: [{id: 2, value: 20}],3:[{id: 3, value: 30}]}
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can someone help how to get this output
a = [{id: 1, value: 1}, {id: 1, value: 2},
{id: 2, value: 20}, {id: 3, value: 30}]
output-->
{1: [{id: 1, value: 1}, {id: 1, value: 2}],
2: [{id: 2, value: 20}],3:[{id: 3, value: 30}]}