Swap object keys and values

 // Write a function that takes an object as argument

// Somehow, the properties and keys of the object got mixed up

// Swap the Javascript object's key with its values and return the resulting object

function

myFunction ( obj )

{

return 

}

myFunction({z:'a',y:'b',x:'c',w:'d'})

Expected

{a:'z',b:'y',c:'x',d:'w'}

myFunction({2:'a',4:'b',6:'c',8:'d'})

Expected

{a:'2',b:'4',c:'6',d:'8'}

myFunction({a:1,z:24})

Expected

{1:'a',24:'z'}