text: [{"text_idx": "#000001", "text": "\u6ce8\u610f:atan()\u662f\u4e0d\u80fd\u76f4\u63a5\u8bbf\u95ee\u7684,\u9700\u8981\u5bfc\u5165 math \u6a21\u5757,\u7136\u540e\u901a\u8fc7 math \u9759\u6001\u5bf9\u8c61\u8c03\u7528\u8be5\u65b9\u6cd5\u3002"}, {"text_idx": "#000002", "text": "\u4ee5\u4e0b\u5c55\u793a\u4e86\u4f7f\u7528 atan() \u65b9\u6cd5\u7684\u5b9e\u4f8b:"}, {"text_idx": "#000004", "text": "Python OS\u6a21\u5757Python os.chown\u65b9\u6cd5Python os.write() \u65b9\u6cd5Python os.pardir \u65b9\u6cd5"}, {"text_idx": "#000005", "text": "Python os.chown\u65b9\u6cd5Python os.write() \u65b9\u6cd5Python os.pardir \u65b9\u6cd5"}, {"text_idx": "#000010", "text": "Python Random \u6a21\u5757Python random choice() \u51fd\u6570Python random random() \u51fd\u6570Python random randrange() \u51fd\u6570Python random seed() \u51fd\u6570Python random shuffle() \u51fd\u6570Python random uniform() \u51fd\u6570"}, {"text_idx": "#000011", "text": "Python random choice() \u51fd\u6570Python random random() \u51fd\u6570Python random randrange() \u51fd\u6570Python random seed() \u51fd\u6570Python random shuffle() \u51fd\u6570Python random uniform() \u51fd\u6570"}]