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Indexing and Slicing Python Strings

Accessing characters, whether they are single or multiple, is an essential skill for working with strings in any programming language. In Python, we do this by indexing and slicing the string. In this hands-on lab, we'll go through writing some code to demonstrate that we understand how to use indexing and slicing by printing out different pieces of information about a string back to the user. To feel comfortable completing this lab, you'll want to be familiar with the following: * Working with string literals: Watch the "Strings and String Operators" video from the Certified Entry-Level Python Programmer Certification course. * Indexing and slicing strings: Watch the "String Indexing and Slicing" video from the Certified Entry-Level Python Programmer Certification course. * Printing to the screen: Watch the videos from the "Input and Output Operations" section of the Certified Entry-Level Python Programmer Certification course.

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Path Info

Level
Clock icon Beginner
Duration
Clock icon 30m
Published
Clock icon Nov 26, 2019

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Table of Contents

  1. Challenge

    Create the string-info.py Script and Take User Input

    1. We want to be able to execute our script, so to begin create an empty script named string-info.py with a shebang and make it executable:

      $ echo '#!/usr/bin/env python3.7' > string-info.py
$ chmod +x string-info.py

    2. Create a script that asks for user input, store it as the message variable, and print a handful of lines to the screen. Let's take the user input now.

  2. Challenge

    Print the First, Last, and Middle Characters from the User's Input

    1. Print the first character from your string.
    2. Print the last character from your string.
    3. Print the middle characters from a string.

  3. Challenge

    Print the Even Index Characters and Odd Index Characters

    1. Print the even index characters of your string.
    2. Print the odd index characters of your string.

  4. Challenge

    Print the String in Reverse

    1. Reverse the order of your string and print it.
A Cloud Guru - Labs - Indexing and Slicing Python Strings
Author
A Cloud Guru

The Cloud Content team comprises subject matter experts hyper focused on services offered by the leading cloud vendors (AWS, GCP, and Azure), as well as cloud-related technologies such as Linux and DevOps. The team is thrilled to share their knowledge to help you build modern tech solutions from the ground up, secure and optimize your environments, and so much more!

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