| << Chapter < Page | Chapter >> Page > |
Go to answer 13
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 |
Go to answer 14
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. |
Go to answer 15
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.
This image was also inserted for the purpose of inserting space between the questions and the answers.
False. The output is shown in Figure 24 .
| Figure 24 . Answer 15. |
|---|
This is a string. |
Go back to Question 15
False. The answer is shown in Figure 22 .
| Figure 22 . Answer 14. |
|---|
0123456789
0123456789abcdefABCDEF01234567 |
Go back to Question 14
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 |
Go back to Question 13
True.
Go back to Question 12
True.
Go back to Question 11
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 |
Go back to Question 10
False. The output is shown in Figure 14 . Note the newline escape characters in the string.
| Figure 14 . Answer 9. |
|---|
Line 1
Line 2 |
Go back to Question 9
True.
Go back to Question 8
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 |
Go back to Question 7
False. The output is shown in Figure 9 .
| Figure 9 . Answer 6. |
|---|
T
hi
si
sa
st
ri
ng
. |
Go back to Question 6
True.
Go back to Question 5
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 |
Go back to Question 4
True.
Go back to Question 3
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 |
Go back to Question 2
True. Individual characters in a string can be accessed using a zero-based index.
Go back to Question 1
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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.
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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.
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