PythonNote037---python中列表合并、嵌套打平_python reduce list嵌套df的合并-CSDN博客

网站介绍:文章浏览阅读889次。多个列表合并、嵌套列表合并的操作多个列表合并多个列表合并时常规操作,不提x = [0,1]y = [2,3][*x,*y][0, 1, 2, 3]x+y[0, 1, 2, 3]嵌套列表打平import operatorfrom functools import reducea = [[1,2,3], [4,5,6], [7,8,9]]reduce(operator.add, a)[1, 2, 3, 4, 5, 6, 7, 8, 9]或者reduce(lambda_python reduce list嵌套df的合并