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Question 14

True or False? The code in the top panel of Figure 21 produces the output shown in the bottom panel of Figure 21 .

Figure 21 . Question 14.
import string print(string.digits)print(string.hexdigits) print(string.octdigits)=============================================================================== 012345670123456789 0123456789abcdefABCDEF

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Question 15

True or False? The code in the top panel of Figure 23 produces the output shown in the bottom panel of Figure 23 .

Figure 23 . Question 15.
str = "this is a string." print(str.capitalize())=============================================================================== THIS IS A STRING.

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Figure index

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 15

False. The output is shown in Figure 24 .

Figure 24 . Answer 15.
This is a string.

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Answer 14

False. The answer is shown in Figure 22 .

Figure 22 . Answer 14.
0123456789 0123456789abcdefABCDEF01234567

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Answer 13

False. The output is shown in Figure 20 . Students should analyze this code in order to explain the result.

Figure 20 . Answer 13.
Name of the file: 1359-1830-13-input.txt Li ne 1

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Answer 12

True.

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Answer 11

True.

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Answer 10

False. The output is shown in Figure 16 . Note the "r" to the left of the triple quote in Figure 15 . This causes the backslash in the string that might otherwise be interpreted as an escape character to be treated as a ordinarycharacter.

Figure 16 . Answer 10.
Line 1\nLine 2

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Answer 9

False. The output is shown in Figure 14 . Note the newline escape characters in the string.

Figure 14 . Answer 9.
Line 1 Line 2

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Answer 8

True.

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Answer 7

False. The output is shown in Figure 11 . Note the use of the not operator.

Figure 11 . Answer 7.
This is a string. ['a', 's', 'd', 'f', 'g', 'h']d f

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Answer 6

False. The output is shown in Figure 9 .

Figure 9 . Answer 6.
T hi si sa st ri ng .

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Answer 5

True.

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Answer 4

False. The output is shown in Figure 6 . You can slice a string from the end using a negative index.

Figure 6 . Answer 4.
This is a string. is a st

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Answer 3

True.

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Answer 2

False. The actual output is shown in Figure 3 . A Python string is immutable. Therefore, you cannot modify a character within the string using simple indexingas shown in Figure 2 .

Figure 3 . Answer 2.
This is a string. rTraceback (most recent call last): File "1359-1830-02.py", line 8, in<module>str[12] = "z"TypeError: 'str' object does not support item assignment

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Answer 1

True. Individual characters in a string can be accessed using a zero-based index.

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Miscellaneous

This section contains a variety of miscellaneous information.

Housekeeping material
  • Module name: Itse1359-1830-String Operations
  • File: Itse1359-1830.htm
  • Published: 11/10/14
  • Revised: 03/04/15
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-

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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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