nested_list = [[1, 2], [3, 4], [5, 6]] result = [] for sub_list in nested_list: for num in sub_list: result.append(num * 2) print(result)
[2, 4, 6, 8, 10, 12]
[1, 2, 3, 4, 5, 6]
[[2, 4], [6, 8], [10, 12]]
[2, 3, 4, 5, 6, 7]