> ## 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 20: Phone book

> Hands-on lab · 20 min · Module 8

Look up contacts safely with `get()`, add and update them, and delete them with `pop()`.

[Open Lab 20 in the IP Lab Portal](https://labs.intellectualpoint.com/labs/pcep-lab-20-phone-book)

## What you will practice

* Read values safely with `get()`
* Add and update entries
* Remove contacts with `pop()`

## Before you start

Time
20 minutes
*Hands-on in Python 3*

Where
IP Lab Portal
*labs.intellectualpoint.com*

Module
Module 8: Dictionaries
*PCEP-30-03*

* In the IP Lab Portal, open **Lab 20 - Phone book**.
* In class, this lab comes right after the **Lesson 3 recap** slide in [Module 8 core material](https://python-training.ipoint-labs.com/pcep/module-08/material.md).


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