Achievement

Tuning the User Interface

Build an Interactive Story App

Achievement

User Input in Android

Build an Interactive Story App

Achievement

Testing and Debugging

Build a Simple Android App with Java

Achievement

Time Complexity

Introduction to Algorithms

Achievement

Playing a Counting Game

Introduction to Algorithms

Achievement

Improving Our Code

Build a Simple Android App with Java

Achievement

Python Dictionaries

Python Collections (2016, retired 2019)

Achievement

Python Slices

Python Collections (2016, retired 2019)

Achievement

Python Lists

Python Collections (2016, retired 2019)

Achievement

Build an Application

Introducing Lists

Achievement

Using Lists

Introducing Lists

Achievement

Meet Lists

Introducing Lists

Achievement

All Together Now

Python Basics

Achievement

Functions and Looping

Python Basics

Achievement

Types and Branching

Python Basics

Achievement

Meet Python

Python Basics

Achievement

Python Data Types

Python Basics (2015)

Achievement

Python For Beginners

Python Basics (2015)

Achievement

Meet Objects

Java Objects

Achievement

Basic Android Programming

Build a Simple Android App with Java

Achievement

Creating the Screen Layout

Build a Simple Android App with Java

Achievement

Getting Started with Android

Build a Simple Android App with Java

Achievement

Perfecting the Prototype

Java Basics

Achievement

Using your New Tools

Java Basics

Achievement

Getting Started with Java

Java Basics

Achievement

Newbie