而不是就地做,而是创建一个新列表
dataset = [[[float(value) for value in measure]
for measure in subject]
for subject in dataset]
如何将函数映射到三重嵌套列表并保持三重嵌套列表完整无缺?
而不是就地做,而是创建一个新列表
dataset = [[[float(value) for value in measure]
for measure in subject]
for subject in dataset]