从头开始创建Python决策树RecursionError

我尝试从头开始编写决策树。 数据集： dataset = [ [3, 2, 1], [3, 8, 1], [6, 8, 1], [9, 8, 1], [9, 5, 1], [15, 9, 2], [13, 11, 2], [11, 13, 2], [15, 17, 2], [17, 15, 2], [9, 2, 1], [8, 3, 1], [5, 3, 1], [4, 6, 1], [8...