Skip to main content

🚀 In our NEW AI Bootcamp you'll build a working app in 28 days, no experience required. Free to all subscription levels.

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

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

  • Treehouse Logo
    • For Individuals
    • For Businesses
    • For Schools
    • For Libraries
    • For Military
    • All Courses
    • Tracks
    • AI Bootcamp
    • College Credit
    • Techdegree Bootcamps
    • Front End Development
    • Full Stack JavaScript
    • Code Adventures
    • Discord
    • Forum
    • Success Stories
    • Treehouse Links
    • 100 Days of Code
    • Explore
    • Career Toolbox
    • Free Treehouse Near Me
    • Affiliates
    • Blog
    • Support
    • About
    • Learn
    • Beginner's Guide to Coding
    • Data Analysis with SQL & Python
    • Front-End Web Development
    • Python Programming Basics
    • Techdegree Bootcamp Overview
    • UX Design Fundamentals
    • AI Tools for Beginners
  • For Individuals For Businesses For Schools For Libraries For Military
  • All Courses Tracks AI Bootcamp College Credit
  • Techdegree Bootcamps Front End Web Development Full Stack JavaScript
  • Code Adventures Discord Forum Success Stories Treehouse Links 100 Days of Code
  • Explore Career Toolbox Free Treehouse Near Me Affiliates Blog Support About
    Learn Beginner's Guide to Coding Data Analysis with SQL & Python Front-End Web Development Python Programming Basics Techdegree Bootcamp Overview UX Design Fundamentals AI Tools for Beginners
  • Sign In
  • Free Trial
Instagram Twitter Facebook YouTube LinkedIn
Loading banner... Start your free trial at Treehouse
    • Newest
      • Newest
      • Active
      • Unanswered
      • Featured
    • All Topics
      • All Topics
      • • General Discussion
      • • AI
      • • 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
      • • Vibe Coding
  • Jeremy Dyck
    Jeremy Dyck
    12,013 Points

    Why am I getting NoneType on my re.search() ?

    Posted May 24, 2023 7:54pm by Jeremy Dyck
    Jeremy Dyck
    12,013 Points
    • Python
    • Python for File Systems
    • Manipulation
    • Consistency

    2 Answers

  • David Sampimon
    David Sampimon
    12,026 Points

    Why won't this pass the challenge?

    Posted May 16, 2022 8:36pm by David Sampimon
    David Sampimon
    12,026 Points
    • Python
    • Python for File Systems
    • Manipulation
    • Consistency

    1 Answer

  • Calvin Miracle
    Calvin Miracle
    22,028 Points

    Need help with filename cleanup challenge

    Posted May 31, 2021 3:44pm by Calvin Miracle
    Calvin Miracle
    22,028 Points
    • Python
    • Python for File Systems
    • Manipulation
    • Consistency

    0 Answers

  • John Davis
    John Davis
    16,469 Points

    Not quite sure why the File Not Found Error

    Posted January 5, 2021 5:58am by John Davis
    John Davis
    16,469 Points
    • Python
    • Python for File Systems
    • Manipulation
    • Consistency

    2 Answers

  • liamthornback2
    liamthornback2
    9,618 Points

    Not sure what to do

    Posted October 11, 2018 3:42pm by liamthornback2
    liamthornback2
    9,618 Points
    • Python
    • Python for File Systems
    • Manipulation
    • Consistency

    0 Answers

  • Jonathan Beard
    Jonathan Beard
    1,681 Points

    Need assistance in splitting date and names for function

    Posted April 6, 2018 4:54pm by Jonathan Beard
    Jonathan Beard
    1,681 Points
    • Python
    • Python for File Systems
    • Manipulation
    • Consistency

    0 Answers

  • Mohammed Ismail
    Mohammed Ismail
    7,190 Points

    FileNotFoundError: [Errno 2] No such file or directory: '/workdir/messy/messy'

    Posted March 30, 2018 11:03am by Mohammed Ismail
    Mohammed Ismail
    7,190 Points
    • Python
    • Python for File Systems
    • Manipulation
    • Consistency

    1 Answer

  • Mohammed Ismail
    Mohammed Ismail
    7,190 Points

    Python - Consistency.py

    Posted March 30, 2018 6:15am by Mohammed Ismail
    Mohammed Ismail
    7,190 Points
    • Python
    • Python for File Systems
    • Manipulation
    • Consistency

    3 Answers

  • Michael Jorgensen
    Michael Jorgensen
    1,189 Points

    I've tested this problem on my laptop and it works just fine.

    Posted December 15, 2017 6:59pm by Michael Jorgensen
    Michael Jorgensen
    1,189 Points
    • Python
    • Python for File Systems
    • Manipulation
    • Consistency

    1 Answer

  • Nikolay Nogin
    Nikolay Nogin
    22,154 Points

    Help! ('posix.DirEntry' object has no attribute 'startswith' )

    Posted October 5, 2017 5:52pm by Nikolay Nogin
    Nikolay Nogin
    22,154 Points
    • Python
    • Python for File Systems
    • Manipulation
    • Consistency

    1 Answer

  • hamsternation
    hamsternation
    26,617 Points

    Am I tackling this directory renaming problem correctly?

    Posted August 21, 2017 10:16pm by hamsternation
    hamsternation
    26,617 Points
    • Python
    • Python for File Systems
    • Manipulation
    • Consistency

    5 Answers

  • Thomas Smith
    Thomas Smith
    23,241 Points

    This code works in PyCharm but not in the challenge.

    Posted August 9, 2017 4:56pm by Thomas Smith
    Thomas Smith
    23,241 Points
    • Python
    • Python for File Systems
    • Manipulation
    • Consistency

    4 Answers

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

Techdegree

  • Front End Web Development
  • Full Stack JavaScript
SEE ALL

Tracks

  • Learn to Code for Beginners
  • Beginning Python
  • Beginning SQL
  • Beginning Java
SEE ALL

Courses

  • JavaScript Basics
  • Intro to HTML & CSS
  • Python Basics
  • CSS Layout
SEE ALL

About Us

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

Explore

  • Plans
  • Affiliates
  • Perks
  • Shop
  • Free Treehouse Near Me
  • Treehouse for Libraries
  • Treehouse for Businesses

Treehouse is an online technology education platform founded in 2011. Treehouse offers more than 700 self-paced, video-based courses in web development, programming, data analysis, design, and AI, plus two project-based bootcamp programs in Front End Web Development and Full Stack JavaScript. Individual Treehouse plans start at $25 per month and include a 7-day free trial. Treehouse serves individual learners, businesses, schools, and public libraries. Cardholders at participating U.S. public libraries can use Treehouse for free. Select Treehouse courses, offered with University Pathways International, are recommended for college credit by ACE and NCCRS. Treehouse learners earn digital certificates for completed Tracks.

Terms & Conditions · Privacy · © 2026 Treehouse Island, Inc.
  • Twitter
  • YouTube
  • Facebook
  • LinkedIn
  • Instagram
  • Discord