In Flight Entertainment

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This a problem set for you to work through [1]

This is a problem set. Some of these are easy, others are far more difficult. The purpose of these problems sets are:

  1. to build your skill applying computational thinking to a problem
  2. to assess your knowledge and skills of different programming practices


What is this problem set trying to do

In this problem set, we are thinking computationally

The Problem

I found this problem on interview cake, and use it with gratitude[2].

You've built an inflight entertainment system with on-demand movie streaming.

Users on longer flights like to start a second movie right when their first one ends, but they complain that the plane usually lands before they can see the ending. So you're building a feature for choosing two movies whose total runtimes will equal the exact flight length.

Write a function that takes an integerA natural number, a negative of a natural number, or zero. flight_length (in minutes) and a listGive a sequence of brief answers with no explanation. of integers movie_lengths (in minutes) and returns a boolean indicating whether there are two numbers in movie_lengths whose sum equals flight_length.

When building your function:

  1. Assume your users will watch exactly two movies
  2. Don't make your users watch the same movie twice

The collection of movies length in minutes:

#
# Movie length in minutes
#
movieLength = [110,150,159,180,100,145,185,90,93,98,102,122,120]

Unit Tests

  • User Input: 600
  • Expected output: True
  • User Input: 90
  • Expected output: False
  • User Input: 120
  • Expected output: False

Hacker edition

In the hacker version:

In addition to the output above, your program should calculateObtain a numerical answer showing the relevant stages in the working. how many movies a user can watch on a very long flight.

How you will be assessed

Your solution will be graded using the following axis:


Scope

  • To what extentConsider the merits or otherwise of an argument or concept. Opinions and conclusions should be presented clearly and supported with appropriate evidence and sound argument. does your code implement the features required by our specification?
  • To what extentConsider the merits or otherwise of an argument or concept. Opinions and conclusions should be presented clearly and supported with appropriate evidence and sound argument. is there evidence of effort?

Correctness

  • To what extentConsider the merits or otherwise of an argument or concept. Opinions and conclusions should be presented clearly and supported with appropriate evidence and sound argument. did your code meet specifications?
  • To what extentConsider the merits or otherwise of an argument or concept. Opinions and conclusions should be presented clearly and supported with appropriate evidence and sound argument. did your code meet unit tests?
  • To what extentConsider the merits or otherwise of an argument or concept. Opinions and conclusions should be presented clearly and supported with appropriate evidence and sound argument. is your code free of bugs?

DesignProduce a plan, simulation or model.

  • To what extentConsider the merits or otherwise of an argument or concept. Opinions and conclusions should be presented clearly and supported with appropriate evidence and sound argument. is your code written well (i.e. clearly, efficiently, elegantly, and/or logically)?
  • To what extentConsider the merits or otherwise of an argument or concept. Opinions and conclusions should be presented clearly and supported with appropriate evidence and sound argument. is your code eliminating repetition?
  • To what extentConsider the merits or otherwise of an argument or concept. Opinions and conclusions should be presented clearly and supported with appropriate evidence and sound argument. is your code using functions appropriately?

Style

  • To what extentConsider the merits or otherwise of an argument or concept. Opinions and conclusions should be presented clearly and supported with appropriate evidence and sound argument. is your code readable?
  • To what extentConsider the merits or otherwise of an argument or concept. Opinions and conclusions should be presented clearly and supported with appropriate evidence and sound argument. is your code commented?
  • To what extentConsider the merits or otherwise of an argument or concept. Opinions and conclusions should be presented clearly and supported with appropriate evidence and sound argument. are your variables well named?
  • To what extentConsider the merits or otherwise of an argument or concept. Opinions and conclusions should be presented clearly and supported with appropriate evidence and sound argument. do you adhere to style guide?

References

A possible solution

Click the expand link to see one possible solution, but NOT before you have tried and failed!

not yet!