我试图将大列表中的小列表的所有元素转换为整数,所以它应该如下所示:
current list:
list = [['1','2','3'],['8','6','8'],['2','9','3'],['2','5','7'],['5','4','1'],['0','8','7']]
for e in list:
for i in e:
i = int(i)
new list:
list = [[1,2,3],[8,6,8],[2,9,3],[2,5,7],[5,4,1],[0,8,7]]
谁能告诉我为什么这不起作用并向我展示一种有效的方法？谢谢!