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Before a = abc x = abc After assigning 'xyz' to x x = xyz a = xyz After assigning 'ABC' to a x = ABC a = ABC After clearing x x = a = ABC Array linking arr=[m=>'M and M',n=>'N for No'] larr=[m=>'M and M',n=>'N for No'] After assigning 'PPP' to larr:n arr=[m=>'M and M',n=>'PPP'] larr=[m=>'M and M',n=>'PPP'] After assigning 'QQQ' to larr:q arr=[m=>'M and M',n=>'PPP',q=>'QQQ'] larr=[m=>'M and M',n=>'PPP',q=>'QQQ'] After linking larr:q to karr:q arr=[m=>'M and M',n=>'PPP',q=>'QQQ'] larr=[m=>'M and M',n=>'PPP',q=>'QQQ'] karr=[q=>'QQQ'] After assigning 'KKK' to karr:q arr=[m=>'M and M',n=>'PPP',q=>'KKK'] larr=[m=>'M and M',n=>'PPP',q=>'KKK'] karr=[q=>'KKK'] After assigning 'RRR' to karr:r arr=[m=>'M and M',n=>'PPP',q=>'KKK'] larr=[m=>'M and M',n=>'PPP',q=>'KKK'] karr=[q=>'KKK',r=>'RRR'] Class linking
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