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This module provides a preview of code that will be explained in more detail in the module titled Itse1359-1070-Strings Part 2.

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. This module provides a preview of code that will beexplained in more detail in the module titled Itse1359-1070-Strings Part 2 in this book .

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: The Figures and Listings in this module arepresented in plain text format and should be accessible using an audio screen reader or a braille display.)

Figures

Listings

General background information

This module provides a preview of code that will be explained in more detail in a future module. The purpose of this module is to provide an opportunity foryou to work through and to think about the code on your own before reading the explanation. This should give you a clear assessment of what you already knowand what you don't yet understand. The hope is that by working through and thinking about the code before reading the explanation, you will be betterprepared to retain the knowledge later when you do read the explanation.

This approach is based loosely on the concept of Intentional Programming as incorporated in the instructor-led Java programming courseware that is available from TKP .

Discussion and sample code

Program output

You will be writing the code based on instructions provided in comments. Once this program is completed, it should produce the outputshown in Figure 1 .

Figure 1. Program output.
1.T 2.s3.This 4.string5.This 6.string7.This is a string 8.This is a string9.Empty: 10.tri11.16 12.This is a string

Instructions

Copy the code template from Listing 1. into your favorite Python text editor or IDE. Then make the modifications described in the comments by replacing each instance of #?? with oneor more statements. Feel free to run the program at any point in the process in order to compare your output with the required output shown in Figure 1 .

Listing 1. Program code template.
# File String01.py # Rev 03/21/15# Copyright 2015, R. G. Baldwin # Illustrates indexing and# slicing strings ##------------------------------- aStr = "This is a string""""Print the output shown on Line 1.""" #??"""Print the output shown on Line 2.""" #??"""Print the output shown on Line 3.""" #??"""Print the output shown on Line 4.""" #??"""Print the output shown on Line 5 using different syntax than 3 above.""" #??"""Print the output shown on Line 6 using different syntax than 4 above.""" #??"""Print the output shown on Line 7 as the concatenation of two slices of aStr."""#?? """Print the output shown on Line 8 as a single slice of aStr."""#?? """Print the output shown on Line 9 as the concatenation of the word, the colon,a space, and a slice of aStr.""" #??"""Print the output shown on Line 10 as a slice counting backwards from the right end of aStr."""#?? """Print the length of aStr as shown on Line 11."""#?? print("12." + aStr)

Answers in the back of the book

If you get stuck and are unable to successfully complete one of the modifications, you will find the correct code in the module titled Itse1359-1070-Strings Part 2 except that the code in that module does not produce the line numbers shown in Figure 1 .

Miscellaneous

This section contains a variety of miscellaneous information.

Housekeeping material
  • Module name: Itse1359-1070p-Preview-Strings Part 2
  • File: Itse1359-1070p.htm
  • Published: 03/21/15
  • Revised: 03/26/15
Disclaimers:

Financial : Although the Connexions site makes it possible for you to download a PDF file for thismodule at no charge, and also makes it possible for you to purchase a pre-printed version of the PDF file, you should beaware that some of the HTML elements in this module may not translate well into PDF.

I also want you to know that, I receive no financial compensation from the Connexions website even if you purchase the PDF version of the module.

In the past, unknown individuals have copied my modules from cnx.org, converted them to Kindle books, and placed them for sale on Amazon.com showing me as the author. Ineither receive compensation for those sales nor do I know who does receive compensation. If you purchase such a book, please beaware that it is a copy of a module that is freely available on cnx.org and that it was made and published withoutmy prior knowledge.

Affiliation :: I am a professor of Computer Information Technology at Austin Community College in Austin, TX.

-end-

Questions & Answers

A golfer on a fairway is 70 m away from the green, which sits below the level of the fairway by 20 m. If the golfer hits the ball at an angle of 40° with an initial speed of 20 m/s, how close to the green does she come?
Aislinn Reply
cm
tijani
what is titration
John Reply
what is physics
Siyaka Reply
A mouse of mass 200 g falls 100 m down a vertical mine shaft and lands at the bottom with a speed of 8.0 m/s. During its fall, how much work is done on the mouse by air resistance
Jude Reply
Can you compute that for me. Ty
Jude
what is the dimension formula of energy?
David Reply
what is viscosity?
David
what is inorganic
emma Reply
what is chemistry
Youesf Reply
what is inorganic
emma
Chemistry is a branch of science that deals with the study of matter,it composition,it structure and the changes it undergoes
Adjei
please, I'm a physics student and I need help in physics
Adjanou
chemistry could also be understood like the sexual attraction/repulsion of the male and female elements. the reaction varies depending on the energy differences of each given gender. + masculine -female.
Pedro
A ball is thrown straight up.it passes a 2.0m high window 7.50 m off the ground on it path up and takes 1.30 s to go past the window.what was the ball initial velocity
Krampah Reply
2. A sled plus passenger with total mass 50 kg is pulled 20 m across the snow (0.20) at constant velocity by a force directed 25° above the horizontal. Calculate (a) the work of the applied force, (b) the work of friction, and (c) the total work.
Sahid Reply
you have been hired as an espert witness in a court case involving an automobile accident. the accident involved car A of mass 1500kg which crashed into stationary car B of mass 1100kg. the driver of car A applied his brakes 15 m before he skidded and crashed into car B. after the collision, car A s
Samuel Reply
can someone explain to me, an ignorant high school student, why the trend of the graph doesn't follow the fact that the higher frequency a sound wave is, the more power it is, hence, making me think the phons output would follow this general trend?
Joseph Reply
Nevermind i just realied that the graph is the phons output for a person with normal hearing and not just the phons output of the sound waves power, I should read the entire thing next time
Joseph
Follow up question, does anyone know where I can find a graph that accuretly depicts the actual relative "power" output of sound over its frequency instead of just humans hearing
Joseph
"Generation of electrical energy from sound energy | IEEE Conference Publication | IEEE Xplore" ***ieeexplore.ieee.org/document/7150687?reload=true
Ryan
what's motion
Maurice Reply
what are the types of wave
Maurice
answer
Magreth
progressive wave
Magreth
hello friend how are you
Muhammad Reply
fine, how about you?
Mohammed
hi
Mujahid
A string is 3.00 m long with a mass of 5.00 g. The string is held taut with a tension of 500.00 N applied to the string. A pulse is sent down the string. How long does it take the pulse to travel the 3.00 m of the string?
yasuo Reply
Who can show me the full solution in this problem?
Reofrir Reply
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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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