将列表转换为python中的嵌套列表

nested_list = [[i] for i in original_list]

nested_list = list(map(lambda x: [x], original_list))

nested_list = []
for i in original_list:
    nested_list.append([i])

original_list = [1, 2, 3, 4, 5]

nested_list = [[1], [2], [3], [4], [5]]