✨ 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:
    • iOS
    • Enumerations and Optionals in Swift
    • Introduction to Optionals
    • Nil Values in Collections
    • Close
  • Edward Sapp
    Edward Sapp
    8,479 Points

    What am I doing wrong in my nested if let statement?

    Posted on Feb 5, 2017 by Edward Sapp
    Edward Sapp
    8,479 Points
    • iOS
    • Enumerations and Optionals in Swift
    • Introduction to Optionals
    • Nil Values in Collections

    2 Answers

  • Monzer Selim
    PLUS
    Monzer Selim
    Courses Plus Student 3,849 Points

    what is wrong here with my code ?

    Posted on Jan 8, 2017 by Monzer Selim
    Monzer Selim
    Courses Plus Student 3,849 Points
    • iOS
    • Enumerations and Optionals in Swift
    • Introduction to Optionals
    • Nil Values in Collections

    1 Answer

  • Disha Mohta
    Disha Mohta
    2,248 Points

    A bit confused on how to approach this challenge

    Posted on Jan 6, 2017 by Disha Mohta
    Disha Mohta
    2,248 Points
    • iOS
    • Enumerations and Optionals in Swift
    • Introduction to Optionals
    • Nil Values in Collections

    1 Answer

  • Noe Arzate
    seal-mask
    .a{fill-rule:evenodd;}techdegree
    Noe Arzate
    Python Web Development Techdegree Student 6,077 Points

    why won't my code pass the code challenge using if let? it works fine in xcode.

    Posted on Dec 28, 2016 by Noe Arzate
    .a{fill-rule:evenodd;}techdegree
    Noe Arzate
    Python Web Development Techdegree Student 6,077 Points
    • iOS
    • Enumerations and Optionals in Swift
    • Introduction to Optionals
    • Nil Values in Collections

    3 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.