题目

写出运行结果 >>>st="Python" >>>st[0] >>> st[-1] >>> st[1:3] >>> st[:3] >>> st[:] >>> st[1:3:2] >>>lst=['HUAWEI','OPPO','VIVO','XIAOMI'] >>>lst[0] >>> lst[-1] >>> lst[1:3] >>> lst[:3] >>> lst[:] >>> lst[1:3:2] >>>n="Java" >>>len(n) 答案：【1】P【2】n【3】yt【4】Pyt【5】Python【6】y【7】HUAWEI【8】XIAOMI【9】OPPO VIVO【10】HUWEI OPPO VIVO【11】HUAWEI OPPO VIVO XIAOMI【12】OPPO【13】4

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