🤑 Join the Treehouse affiliate program and earn 25% recurring commission!

New No-Code Track! 🚀start learning today!

🌟 Dreaming of a bright future? 🎓 Ask about the Treehouse Scholarship program! 🚀

✨ Earn college credits in Cybersecurity, JS, HTML, CSS and Python

  • Treehouse Logo
  • Plans
    Chevron
    • For Individuals
    • For Businesses
    • For Schools
    • For Libraries
    • For Military
  • Library
    Chevron
    • All Courses
    • Tracks
    • College Credit
  • Techdegree
    Chevron
    • Overview
    • Front End Development
    • Full Stack JavaScript
    • Data Analysis
    • UX Design
    • Python
  • Community
    Chevron
    • Code Adventures
    • Discord
    • Forum
    • Success Stories
    • Treehouse Links
    • 100 Days of Code
  • Resources
    Chevron
    • Career Toolbox
    • CodeForward
    • Free Treehouse Near Me
    • Jobs
    • Blog
    • Support
    • About
  • For Individuals For Businesses For Schools For Libraries For Military
  • All Courses Tracks College Credit
  • Overview Front End Web Development Full Stack JavaScript Python Development Data Analysis UX Design
  • Code Adventures Discord Forum Success Stories Treehouse Links 100 Days of Code
  • Career Toolbox CodeForward Free Treehouse Near Me Jobs Blog Support About
  • Sign In
  • Free Trial
Instagram Twitter Facebook YouTube LinkedIn
    • Newest
      • Newest
      • Active
      • Unanswered
      • Featured
    • All Topics
      • All Topics
      • • General Discussion
      • • AI
      • • Android
      • • APIs
      • • Coding for Kids
      • • College Credit
      • • Computer Science
      • • CSS
      • • Data Analysis
      • • Databases
      • • Design
      • • Development Tools
      • • Digital Literacy
      • • Game Development
      • • Go Language
      • • HTML
      • • Java
      • • JavaScript
      • • Learning Resources
      • • Machine Learning
      • • No-Code
      • • PHP
      • • Professional Growth
      • • Python
      • • Quality Assurance
      • • React
      • • Ruby
      • • Security
      • • Swift
  • Raymond Clark
    Raymond Clark
    2,497 Points

    Need help figuring out this challenge

    Posted December 7, 2023 5:36am by Raymond Clark
    Raymond Clark
    2,497 Points
    • Python
    • Dates and Times in Python (2014)
    • Let's Build a Timed Quiz App
    • Simple Time Machine

    1 Answer

  • ks13
    ks13
    3,383 Points

    delorean() missing 1 required positional argument

    Posted July 24, 2023 2:21pm by ks13
    ks13
    3,383 Points
    • Python
    • Dates and Times in Python (2014)
    • Let's Build a Timed Quiz App
    • Simple Time Machine

    2 Answers

  • Jessica Just
    Jessica Just
    1,652 Points

    I'm not understanding these questions very well, please help!

    Posted May 25, 2023 9:43pm by Jessica Just
    Jessica Just
    1,652 Points
    • Python
    • Dates and Times in Python (2014)
    • Let's Build a Timed Quiz App
    • Simple Time Machine

    1 Answer

  • Kenneth Bagwell Jr
    Kenneth Bagwell Jr
    3,698 Points

    delorean question

    Posted April 8, 2023 4:29pm by Kenneth Bagwell Jr
    Kenneth Bagwell Jr
    3,698 Points
    • Python
    • Dates and Times in Python (2014)
    • Let's Build a Timed Quiz App
    • Simple Time Machine

    1 Answer

  • Joyce Nessif
    PLUS
    Joyce Nessif
    Courses Plus Student 3,907 Points

    This Challenge isn't accepting perfectly fine code. It works just fine in VS Code

    Posted September 24, 2022 4:43pm by Joyce Nessif
    Joyce Nessif
    Courses Plus Student 3,907 Points
    • Python
    • Dates and Times in Python (2014)
    • Let's Build a Timed Quiz App
    • Simple Time Machine

    1 Answer

  • Eric Nachtsheim
    Eric Nachtsheim
    2,006 Points

    I don't understand the answer.

    Posted July 4, 2021 5:04pm by Eric Nachtsheim
    Eric Nachtsheim
    2,006 Points
    • Python
    • Dates and Times in Python (2014)
    • Let's Build a Timed Quiz App
    • Simple Time Machine

    2 Answers

  • michellewong5
    michellewong5
    5,727 Points

    What's missing from this simple time_machine challenge?

    Posted February 16, 2021 5:02pm by michellewong5
    michellewong5
    5,727 Points
    • Python
    • Dates and Times in Python
    • Let's Build a Timed Quiz App
    • Simple Time Machine

    2 Answers

  • Rutendo Mujawo
    Rutendo Mujawo
    2,589 Points

    simple time machine - " module not callable"

    Posted October 14, 2019 9:08am by Rutendo Mujawo
    Rutendo Mujawo
    2,589 Points
    • Python
    • Dates and Times in Python
    • Let's Build a Timed Quiz App
    • Simple Time Machine

    1 Answer

  • Jassim Alhatem
    Jassim Alhatem
    20,883 Points

    confused

    Posted September 27, 2019 5:01pm by Jassim Alhatem
    Jassim Alhatem
    20,883 Points
    • Python
    • Dates and Times in Python (2014)
    • Let's Build a Timed Quiz App
    • Simple Time Machine

    1 Answer

  • Blessing Nyamayedenga
    Blessing Nyamayedenga
    6,283 Points

    time_machine chalenge

    Posted August 14, 2019 7:59am by Blessing Nyamayedenga
    Blessing Nyamayedenga
    6,283 Points
    • Python
    • Dates and Times in Python
    • Let's Build a Timed Quiz App
    • Simple Time Machine

    1 Answer

  • Kirome Thompson
    Kirome Thompson
    5,350 Points

    Write a function named delorean that takes an integer. Return a datetime that is that many hours ahead from starter.

    Posted March 9, 2019 6:58pm by Kirome Thompson
    Kirome Thompson
    5,350 Points
    • Python
    • Dates and Times in Python
    • Let's Build a Timed Quiz App
    • Simple Time Machine

    2 Answers

  • Jack Cummins
    Jack Cummins
    17,417 Points

    Trouble with Delorean Function

    Posted June 25, 2018 10:10pm by Jack Cummins
    Jack Cummins
    17,417 Points
    • Python
    • Dates and Times in Python (2014)
    • Let's Build a Timed Quiz App
    • Simple Time Machine

    1 Answer

  • Jack Cummins
    Jack Cummins
    17,417 Points

    Why do I get "Bummer: Name 'Deloran is not defined'"

    Posted June 25, 2018 10:02pm by Jack Cummins
    Jack Cummins
    17,417 Points
    • Python
    • Dates and Times in Python (2014)
    • Let's Build a Timed Quiz App
    • Simple Time Machine

    2 Answers

  • cb123
    PLUS
    cb123
    Courses Plus Student 9,858 Points

    time_machine challenge. Try Again. What is the expected datetime result supposed to look like?

    Posted April 25, 2018 3:01am by cb123
    cb123
    Courses Plus Student 9,858 Points
    • Python
    • Dates and Times in Python
    • Let's Build a Timed Quiz App
    • Simple Time Machine

    1 Answer

  • danielchristie
    danielchristie
    21,505 Points

    Not sure WTH it wants as this works perfectly for me in IDLE. Anyone have any idea?

    Posted April 4, 2018 2:04am by danielchristie
    danielchristie
    21,505 Points
    • Python
    • Dates and Times in Python (2014)
    • Let's Build a Timed Quiz App
    • Simple Time Machine

    1 Answer

  • Mohammad Aslam
    Mohammad Aslam
    6,053 Points

    Dolorean function, how to add hours to a datetime

    Posted February 18, 2018 11:52pm by Mohammad Aslam
    Mohammad Aslam
    6,053 Points
    • Python
    • Dates and Times in Python
    • Let's Build a Timed Quiz App
    • Simple Time Machine

    2 Answers

  • jp28
    jp28
    3,413 Points

    Why is this not working?

    Posted December 29, 2016 7:35pm by jp28
    jp28
    3,413 Points
    • Python
    • Dates and Times in Python
    • Let's Build a Timed Quiz App
    • Simple Time Machine

    2 Answers

  • Brent Liang
    PLUS
    Brent Liang
    Courses Plus Student 2,944 Points

    Code challenge question

    Posted November 21, 2016 1:01am by Brent Liang
    Brent Liang
    Courses Plus Student 2,944 Points
    • Python
    • Dates and Times in Python
    • Let's Build a Timed Quiz App
    • Simple Time Machine

    2 Answers

  • MoatazBellah Ghobashy
    MoatazBellah Ghobashy
    9,518 Points

    I don't know where the problem

    Posted October 17, 2016 2:14am by MoatazBellah Ghobashy
    MoatazBellah Ghobashy
    9,518 Points
    • Python
    • Dates and Times in Python (2014)
    • Let's Build a Timed Quiz App
    • Simple Time Machine

    1 Answer

  • Alexander Davison
    Alexander Davison
    65,469 Points

    Dates and times problem

    Posted May 26, 2016 5:21pm by Alexander Davison
    Alexander Davison
    65,469 Points
    • Python
    • Dates and Times in Python
    • Let's Build a Timed Quiz App
    • Simple Time Machine

    1 Answer

  • Trevor Wood
    Trevor Wood
    17,828 Points

    Confused on what the challenge wants me to do

    Posted May 10, 2016 2:47pm by Trevor Wood
    Trevor Wood
    17,828 Points
    • Python
    • Dates and Times in Python
    • Let's Build a Timed Quiz App
    • Simple Time Machine

    1 Answer

  • Hervé Dauberton
    Hervé Dauberton
    8,202 Points

    Simple time machine challenge in python

    Posted March 7, 2016 3:56am by Hervé Dauberton
    Hervé Dauberton
    8,202 Points
    • Python
    • Dates and Times in Python (2014)
    • Let's Build a Timed Quiz App
    • Simple Time Machine

    2 Answers

  • Welser Muñoz
    Welser Muñoz
    4,447 Points

    Simple Time Machine

    Posted May 2, 2015 5:03am by Welser Muñoz
    Welser Muñoz
    4,447 Points
    • Python
    • Dates and Times in Python
    • Let's Build a Timed Quiz App
    • Simple Time Machine

    3 Answers

  • SUDHARSAN CHAKRAVARTHI
    PLUS
    SUDHARSAN CHAKRAVARTHI
    Courses Plus Student 2,434 Points

    datetime

    Posted May 2, 2015 4:45am by SUDHARSAN CHAKRAVARTHI
    SUDHARSAN CHAKRAVARTHI
    Courses Plus Student 2,434 Points
    • Python
    • Dates and Times in Python (2014)
    • Let's Build a Timed Quiz App
    • Simple Time Machine

    3 Answers

  • Christine Maxwell
    PLUS
    Christine Maxwell
    Courses Plus Student 5,103 Points

    time_machine.py

    Posted January 19, 2015 1:59pm by Christine Maxwell
    Christine Maxwell
    Courses Plus Student 5,103 Points
    • Python
    • Dates and Times in Python
    • Let's Build a Timed Quiz App
    • Simple Time Machine

    2 Answers

  • beven nyamande
    beven nyamande
    9,575 Points

    datetime

    Posted January 18, 2015 7:35pm by beven nyamande
    beven nyamande
    9,575 Points
    • Python
    • Dates and Times in Python
    • Let's Build a Timed Quiz App
    • Simple Time Machine

    1 Answer

  • Ronnie Barua
    Ronnie Barua
    17,665 Points

    ??? How can I have a Workspace and console just like Treehouse in my Mac pro.

    Posted January 13, 2015 4:43pm by Ronnie Barua
    Ronnie Barua
    17,665 Points
    • Python
    • Dates and Times in Python
    • Let's Build a Timed Quiz App
    • Simple Time Machine

    2 Answers

  • Y B
    Y B
    14,136 Points

    Got it right but have a quick question

    Posted December 17, 2014 10:49am by Y B
    Y B
    14,136 Points
    • Python
    • Dates and Times in Python (2014)
    • Let's Build a Timed Quiz App
    • Simple Time Machine

    3 Answers

Posting to the forum is only allowed for members with active accounts.
Please sign in or sign up to post.

    Treehouse

  • About
  • Blog
  • Careers
  • Community
  • Stories
  • Shop
  • Contact
  • Gift Card

See Full Catalogue

Techdegree

  • Front End Web Development
  • Full Stack JavaScript
  • Python Development
  • Data Analysis
  • UX Design

Tracks

  • Learn to Code for Beginners
  • Beginning Python
  • Beginning SQL
  • Beginning Java
  • ...see more

Courses

  • JavaScript Basics
  • Intro to HTML & CSS
  • Python Basics
  • CSS Layout
  • ...see more

Explore

  • Plans
  • Affiliates
  • Perks
  • Free Treehouse Near Me
  • Treehouse for Libraries
  • Treehouse for Businesses
  • Twitter
  • YouTube
  • Facebook
  • LinkedIn
  • Instagram
Terms & Conditions | Privacy

© 2025 Treehouse Island, Inc.