`t = ' '
with open('D:/data/try.txt', 'w+') as f_out:
for i in list1:
for j in range(len(list1[0])):
t = t + str(i[j])
f_out.write(t)
f_out.write('\n')
t =' '
搜了很久资料也没有清晰,想问一下,这里的两个循环具体是什么意思呀
还有那个str(i[j])是什么意思?是代表矩阵第i行的第j列吗?