0% completed

All LessonsFree Lessons (7)

About the Course

Problem Solving with Simple Programs

Problem Solving: The Bottle Filling Example Simple Program and Execution Sheet Practice Simple Programs Quiz on Problem Solving with Simple Programs

Decisions and Branching

Flowcharts and Conditional Expressions Converting Flowcharts into Execution Sheets Quiz on Decisions and Branching

Python Basics

First Python Program Fundamentals of Python Conditional Statement Categories of Errors Quiz on Python Basics Challenge: Formula Converter

Repetition with Loops

Introduction to Loops Loops with Ranges Sentinel Loops Nested Loops Quiz on Repetition with Loops Challenge: The Nearest Power of 2

Strings and Lists

Inside the String

Lists with Loops

Quiz on Strings and Lists

Challenge: Arithmetic Sequence

Functions

Define and Use the Functions General Built-in Functions Built-in String and List Functions Quiz on Functions Challenge: Anagram Problem

Appendix - Complex Programs

Introduction to Complex Programs Programs of Loops Programs of String Operations Programs of List Operations

Wrap Up

Learn to Code: Python for Absolute Beginners/

...

/

Challenge: Arithmetic Sequence

Challenge: Arithmetic Sequence

Find the index of an outlier in an arithmetic sequence.

We'll cover the following...

Task

Task

This task requires you to find the index of the first outlier in a given list. All numbers in a list are in an arithmetic sequence, except one number.

Write a program that uses a list and finds the index of the first outlier and stores it to the variable idx. The list is guaranteed to have at least $5$ elements and the first two elements will be in the required arithmetic sequence. The value of the idx should be ...