%hash=(1,2,3,4,5,6);
$hash{3}=0;
$hash{2}=9;
print join(",",%hash);

The output of the above script is:

1,2,9,3,0,5,6
1,2,2,9,3,0,5,6
1,2,3,4,5,6,9
2,3,1,9,4,0,5,6
Correct Option - b

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