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

🤑 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

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

  • 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
    • Showing results for:
    • Python
    • Functional Python
    • The Lambda Lambada
    • Recursion
    • Close
  • Michael Christofersen
    Michael Christofersen
    4,453 Points

    Why won't this accept my answer?

    Posted on Sep 28, 2015 by Michael Christofersen
    Michael Christofersen
    4,453 Points
    • Python
    • Functional Python
    • The Lambda Lambada
    • Recursion

    2 Answers

  • Daniel Schirmer
    Daniel Schirmer
    4,364 Points

    How to get rid of first item

    Posted on Sep 12, 2015 by Daniel Schirmer
    Daniel Schirmer
    4,364 Points
    • Python
    • Functional Python
    • The Lambda Lambada
    • Recursion

    2 Answers

  • James Barber
    James Barber
    3,502 Points

    Getting a "didn't get the right output" feedback. How do I know what output it is looking for?

    Posted on Sep 5, 2015 by James Barber
    James Barber
    3,502 Points
    • Python
    • Functional Python
    • The Lambda Lambada
    • Recursion

    2 Answers

  • mattamorphic
    PLUS
    mattamorphic
    Courses Plus Student 6,641 Points

    Functional Python : Recursion

    Posted on Sep 5, 2015 by mattamorphic
    mattamorphic
    Courses Plus Student 6,641 Points
    • Python
    • Functional Python
    • The Lambda Lambada
    • Recursion

    11 Answers

  • Ira Bradley
    Ira Bradley
    12,976 Points

    Finish the prereqs function so that it recursively finds all of the course titles in courses.

    Posted on Sep 2, 2015 by Ira Bradley
    Ira Bradley
    12,976 Points
    • Python
    • Functional Python
    • The Lambda Lambada
    • Recursion

    8 Answers

  • Patrick Mooney
    Patrick Mooney
    34,161 Points

    "Bummer! Didn't get the right output from prereqs."

    Posted on Sep 1, 2015 by Patrick Mooney
    Patrick Mooney
    34,161 Points
    • Python
    • Functional Python
    • The Lambda Lambada
    • Recursion

    2 Answers

Prev Page 2 of 2 Next

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.