Dict1={"one":1, "two":2, "three":3}. Dict2={}. How do get dict2 to be inverse, that is dict2[1]="one" and so on

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1.00/5 (2 votes)

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it should meet the correct objective for the given assignment

What I have tried:

dict2 = dict1.inverse()
dict2 = dict1.reverse()
for (key in dict1) {dict2[dict1[key]]=key}

Posted 18-Jan-23 18:45pm

Monisha Moni

Updated 18-Jan-23 23:53pm

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Richard Deeming · Answer 1 · 2023-01-18T23:53:00

Solution 1

Simple:

JavaScript

const Dict1 = { "one": 1, "two": 2, "three": 3 };
const Dict2 = {};

for (const [key, value] of Object.entries(Dict1)) {
	Dict2[value] = key;
}

Object.entries() - JavaScript | MDN[^]

Posted 18-Jan-23 23:53pm

Richard Deeming