Teacher:In this task you will be given a list of lists, of numbers. For every inner list, you should multiply every number in that list and put the results in your answer. The output should be a list of numbers with the same length as the number of the lists in the input list.
Teacher: Now, understand the problem? Solve this instance: [[21, 21, -23], [-1, 6]]
Student:
[-10143, -6]