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19 THE WITHOUT STRING PROBLEM Given two input strings, base and remove, set result to a version of the base string where all instances of the remove string have been removed. This is not case sensitive. You may assume that the remove string is length 1 or more. Remove only non-overlapping instances, so with "xxx" removing "xx" leaves "x". for input of "Hello there", "1lo" + "He there" for input of "Hello there", "e" "Hilo thr" for input of "Hello there", "X" "Hello there