> ## Documentation Index
> Fetch the complete documentation index at: https://python-training.ipoint-labs.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Lab 11: Countdown with range()

> Hands-on lab · 15 min · Module 5

Count up, count down to liftoff, and add up the even numbers from 1 to 100 with `range()`.

[Open Lab 11 in the IP Lab Portal](https://labs.intellectualpoint.com/labs/pcep-lab-11-countdown-range)

## What you will practice

* Use one, two, and three arguments
* Count backwards with a negative step
* Sum the even numbers in a range

## Before you start

Time
15 minutes
*Hands-on in Python 3*

Where
IP Lab Portal
*labs.intellectualpoint.com*

Module
Module 5: Loops
*PCEP-30-03*

* In the IP Lab Portal, open **Lab 11 - Countdown with range()**.
* In class, this lab comes right after the **Lesson 4 recap** slide in [Module 5 core material](https://python-training.ipoint-labs.com/pcep/module-05/material.md).


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