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This module contains review questions and answers keyed to the module titled Itse1359-1040-Strings Part 1.

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 contains review questions and answers keyed to the module titled Itse1359-1040-Strings Part 1 .

Once you study that module, you should be able to answer the review questions in this module.

The questions and the answers in this module are connected by hyperlinks to make it easy for you to navigate from the question to the answer and back again.

(Note to blind and visually impaired students: with the exception of two bitmap images that are used solely as spacers to separate the question sectionfrom the answer section, all of the material in this module is presented in plain text format and should be accessible using an audio screen reader or abraille display.)

Questions

Question 1

Describe the common meaning of the word string in your own words, and give some examples.

Go to answer 1

Question 2

Describe the common meaning of the word literal in your own words.

Go to answer 2

Question 3

Describe three different ways to format string literals (without spanning lines) and show examples.

Go to answer 3

Question 4

What is one of the advantages of using triple quoted strings? Show an example.

Go to answer 4

Question 5

Show two different representations of the newline character.

Go to answer 5

Question 6

Describe, in your own words, the purpose of an escape sequence. Show two examples.

Go to answer 6

Question 7

Show two different ways to include double quote characters in a string.

Go to answer 7

Question 8

Show the escape sequence for the tab character.

Go to answer 8

Figure index

  • Figure 1 . Three ways to format string literals.
  • Figure 2 . Triple-quoted strings.
  • Figure 3 . Two representations of the newline character.
  • Figure 4 . Example escape sequences.
  • Figure 5 . Two ways to include double quote characters in a string.
  • Figure 6 . The escape sequence for the tab character.

What is the meaning of the following two images?

These images were inserted here simply to insert some space between the questions and the answers to keep them from being visible on the screen at thesame time.

Spacer image of a rabbit and a penguin.

This image was also inserted for the purpose of inserting space between the questions and the answers.

Spacer image of a penguin and some houses.

Answers

Answer 8

The escape sequence for the tab character is \t as shown in Figure 6 .

Figure 6 . The escape sequence for the tab character.
>>>print("\tTom\n\tDick, and\n\tHarry") TomDick, and Harry>>>

Go back to Question 8

Answer 7

Surround with single quotes, or use an escape character as shown in Figure 5 .

Figure 5 . Two ways to include double quote characters in a string.
>>>print('Richard "Dick" Baldwin') Richard "Dick" Baldwin>>>print("Richard \"Dick\" Baldwin") Richard "Dick" Baldwin>>>

Go back to Question 7

Answer 6

Escape sequences are special sequences of characters used to represent other characters that either

  • Cannot be entered directly into a string, or
  • Would cause a problem if entered directly into a string.

Examples are shown in Figure 4 .

Figure 4 . Example escape sequences.
>>>print(\ "She said, \"He \nwon't go\"")She said, "He won't go">>>

Go back to Question 6

Answer 5

Two representations are \012 and \n as shown in Figure 3 . Of the two, the latter is probably the most commonly used.

Figure 3 . Two representations of the newline character.
>>>print('Richard\012G.\nBaldwin') RichardG. Baldwin>>>

Go back to Question 5

Answer 4

The use of triple-quoted strings, as shown in Figure 2 , makes it possible for you to continue a string on a new line, and to preserve the line break in thestring.

Figure 2 . Triple-quoted strings.
>>>print("""Dick Baldwin""")Dick Baldwin>>>

Go back to Question 4

Answer 3

Surround the string with matching pairs of single quotes, double quotes, or triple quotes as shown in Figure 1 .

Figure 1 . Three ways to format string literals.
>>>print('Dick Baldwin') Dick Baldwin>>>print("Tom Jones") Tom Jones>>>print("""Mary Smith""") Mary Smith>>>

Go back to Question 3

Answer 2

Perhaps one way to describe the meaning of the word literal would be that the literal item is taken at face value, and its value is not subject tochange as the program executes.

Go back to Question 2

Answer 1

The common interpretation of the word string in computer programming is that a string is a sequence of characters that is treated as a unit. Forexample, a person's first and last names are often treated as two different strings.

Go back to Question 1

Miscellaneous

This section contains a variety of miscellaneous information.

Housekeeping material
  • Module name: Itse1359-1040r-Review
  • File: Itse1359-1040r.htm
  • Published: 10/14/14
  • Revised: 02/20/15
Disclaimers:

Financial : Although the Connexions site makes it possible for you to download aPDF file for this module at no charge, and also makes it possible for you to purchase a pre-printed version of the PDF file, youshould be aware 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 ofthe module.

In the past, unknown individuals have copied my modules from cnx.org, converted them to Kindle books, and placed them for sale onAmazon.com showing me as the author. I neither receive compensation for those sales nor do I know who does receive compensation. If youpurchase such a book, please be aware that it is a copy of a module that is freely available on cnx.org and that it was made andpublished without my prior knowledge.

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

-end-

Questions & Answers

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Don Reply
In biology, a pathogen (Greek: πάθος pathos "suffering", "passion" and -γενής -genēs "producer of") in the oldest and broadest sense, is anything that can produce disease. A pathogen may also be referred to as an infectious agent, or simply a germ. The term pathogen came into use in the 1880s.[1][2
Zainab
A virus
Commander
Definition of respiration
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respiration is the process in which we breath in oxygen and breath out carbon dioxide
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in the mouth
EZEKIEL
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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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