The slice() methodreturnsashallowcopyofaportionofanarrayintoanewarrayobjectselectedfrom begin to end (end notincluded).Theori...

1.  Thegoalofthisexerciseistoconvertastringtoanewstringwhereeachcharacterinthenewstringis "(" ifthatcharacterappearsonlyonceintheoriginalstr...