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This module will expand your knowledge of Python strings, and in addition will introduce you to some concepts that will be useful with other data types as well: indexing and slicing.

Table of contents

Preface

This module is one in a collection of modules on Python designed for teaching ITSE 1359 Introduction to Scripting Languages: Python at Austin Community College in Austin, TX. It will expand your knowledge of strings, and in additionwill introduce you to some concepts that will be useful with other data types as well: indexing and slicing .

Viewing tip

I recommend that you open another copy of this module in a separate browser window and use the following links to easily find and view the Figuresand Listings while you are reading about them.

(Note to blind and visually impaired students: all of the Listings in this module are presented in plain text format and should be accessible using anaudio screen reader or a braille display. However, some of the Figures contain images that may not be accessible.)

Figures

  • Figure 1 . Visualizing the string object.

Listings

Introduction

What you have learned

You have learned how to write some simple Python programs and to execute them interactively.

You have learned how to capture simple programs in script files and to execute those script files.

You have learned how to construct programs, including the indentation required by Python.

You have also learned some of the fundamental concepts involving strings.

What you will learn

This module will expand your knowledge of strings and in addition will introduce you to some concepts that will be useful with other data types aswell: indexing and slicing .

Indexing

According to WolframMathWorld , "... an ordinal number is an adjective which describes the numerical position of an object, e.g., first,second, third, etc."

Questions & Answers

the diagram of the digestive system
Assiatu Reply
How does twins formed
William Reply
They formed in two ways first when one sperm and one egg are splited by mitosis or two sperm and two eggs join together
Oluwatobi
what is genetics
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Genetics is the study of heredity
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discuss biological phenomenon and provide pieces of evidence to show that it was responsible for the formation of eukaryotic organelles
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the study of living organisms and their interactions with one another and their environments
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the study of living organisms and their interactions with one another and their environment.
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list any five characteristics of the blood cells
Shaker
lack electricity and its more savely than electronic microscope because its naturally by using of light
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advantage of electronic microscope is easily and clearly while disadvantage is dangerous because its electronic. advantage of light microscope is savely and naturally by sun while disadvantage is not easily,means its not sharp and not clear
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is like gone fail us
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cells is the basic structure and functions of all living things
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ISCONT Reply
is organisms that are similar into groups called tara
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in what situation (s) would be the use of a scanning electron microscope be ideal and why?
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A scanning electron microscope (SEM) is ideal for situations requiring high-resolution imaging of surfaces. It is commonly used in materials science, biology, and geology to examine the topography and composition of samples at a nanoscale level. SEM is particularly useful for studying fine details,
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Diversity of living thing
ISCONT
what is cell division
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Cell division is the process by which a single cell divides into two or more daughter cells. It is a fundamental process in all living organisms and is essential for growth, development, and reproduction. Cell division can occur through either mitosis or meiosis.
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Source:  OpenStax, Itse 1359 introduction to scripting languages: python. OpenStax CNX. Jan 22, 2016 Download for free at https://legacy.cnx.org/content/col11713/1.32
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