下列代码的输出结果是1 2 3 4 5 6 7 8 () <% int[] a=new int[] {1,2,3,4,5,6,7,8}; pageContext.setAttribute("a",a); %> <c:forEach items="${a }" var="i" begin="3" end="5" step="2" > ${i } </c:forEach>

下列代码的输出结果是1 2 3 4 5 6 7 8 () <% int[] a=new int[] {1,2,3,4,5,6,7,8}; pageContext.setAttribute("a",a); %> <c:forEach items="${a }" var="i" begin="3" end="5" step="2" > ${i } </c:forEach>


参考答案和解析
结果是None,因为函数func()的默认返回值是None。

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