一个列表［1，2，3，4...100］，将其改为［［1，2，3，4］，［5，6，7，8］，［9，10，11，12］......［97，98，99，100］］

code如下：

lst = list(range(1, 101))
new_lst = []
for i in range(0, len(lst), 4):
    new_lst.append(lst[i:i+4])
print(new_lst)

输出结果为：

[[1, 2, 3, 4], [5, 6, 7, 8], [9, 10, 11, 12], [13, 14, 15, 16], [17, 18, 19, 20], [21, 22, 23, 24], [25, 26, 27, 28], [29, 30, 31, 32], [33, 34, 35, 36], [37, 38, 39, 40], [41, 42, 43, 44], [45, 46, 47, 48], [49, 50, 51, 52], [53, 54, 55, 56], [57, 58, 59, 60], [61, 62, 63, 64], [65, 66, 67, 68], [69, 70, 71, 72], [73, 74, 75, 76], [77, 78, 79, 80], [81, 82, 83, 84], [85, 86, 87, 88], [89, 90, 91, 92], [93, 94, 95, 96], [97, 98, 99, 100]]