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Go back to Question 12
True.
Go back to Question 11
False. The output is shown in Figure 9 . Note the effect of the asterisk * in the argument list of the call to the print function in Figure 8 . This will be important in another question later in this module.
| Figure 9 . Answer 10. |
|---|
[0, 1, 2, 3, 4, 5, 6]
ok0 1 2 3 4 5 6 |
Go back to Question 10
True.
Go back to Question 9
False. The output is shown in Figure 6 . Note the complement operator ^ at the left end of the class in the second if statement in Figure 5 .
| Figure 6 . Answer 8. |
|---|
Match
No Match |
Go back to Question 8
False. The output is shown in Figure 4 . See an explanation of lambda and filter at Python Course -- Python 3 Tutorial -- Lambda, filter, reduce and map . See list at The Python Standard Library: 2. Built-in Functions -- class list
| Figure 4 . Answer 7. |
|---|
[6, 7, 8, 9] |
Go back to Question 7
True. See an explanation of lambda at Python Course -- Python 3 Tutorial -- Lambda, filter, reduce and map .
Go back to Question 6
False. The pattern [^abc$] will match any character other than a, b, c, or $. Note the ^ character at the beginning and see Regular Expression HOWTO .
Go back to Question 5
True. Although $ is usually a metacharacter, metacharacters are not active inside classes. Inside a class, $ is treated as an ordinary character.
Go back to Question 4
False. Within a character class, characters can be listed individually, or a range of characters can be indicated by giving two characters and separating them by a single dash as in [abc] or [a-c]. See Regular Expression HOWTO .
Go back to Question 3
True.
Go back to Question 2
False. The metacharacters are shown in Figure 1 and do not include the exclamation character '!'. See Regular Expression HOWTO .
| Figure 1 . Answer 1. |
|---|
. ^ $ * + ? { } [ ] \ | ( ) |
Go back to Question 1
This section contains a variety of miscellaneous information.
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.
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