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$L1,L2$ are lists of integers, $x$ is an integer, to set the last item in $L1$ as the Last item in $L2$ we write

Select one:

a$.$ L$2.$retrieve$($L$2.$size$()-1,$X$)$; L$1.$insert$($L$1.$size$(),$X$)$;

b$.$ L$2.$retriev$($L$2.$size$()-1,$X$)$; L$1.$replace$($L$1.$size$()-1,$X$)$;

c$.$ L$1.$retrieve$($L$2.$size$()-1,$X$)$; L$2.$replace$($L$1.$size$()-1,$X$)$;

d$.$ L$1.$retrieve$($L$1.$size$()-1,$X$)$; L$2.$replace$($L$2.$size$()-1,$X$)$;