# 方法一 # my_list = [[1, 2, 3], [4, 5, 6], [7, 8, 9]] # n = int(input()) # new_list = [] # for i in my_list: # j = [i*n for i in i] # new_list.append(j) # print(new_list) # 方法二 my_list = [[1, 2, 3], [4, 5, 6], [7, 8, 9]] n = int(input()) for i in my_list: for j in range(len(i)): i[j] = i[j] * n print(...