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Answers

Answer 18

Listing 5 shows how to modify an item in a list using a subscription.

Listing 5 . Answer 18.
listA = [3.14,59,"A string",1024] listA[2]= "New string"

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Answer 17

Listing 4 shows how to concatenate two lists.

Listing 4 . Answer 17.
listA = [3.14,59,"A string",1024] listB = [2,4,6,16]listC = listA + listB

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Answer 16

Listing 3 shows how to access a slice from a list.

Listing 3 . Answer 16.
print(theList[0:3])

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Answer 15

Listing 2 shows how to access an item in a list using a subscription.

Listing 2 . Answer 15.
print(theList[2])

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Answer 14

Listing 1 shows a simple list.

Listing 1 . Answer 14.
theList = [3.14,59,"A string",1024]

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Answer 13

Lists are formed by placing a comma-separated sequence of expressions in square brackets.

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Answer 12

The items of a list are arbitrary Python objects.

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Answer 11

False. The characters in a string cannot be modified after the string is created.

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Answer 10

True. A string is a sequence.

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Answer 9

Mutable sequences can be changed after they are created.

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Answer 8

A dictionary.

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Answer 7

False. There is no character type in Python. Rather, a string's items are characters. A character is not a separate data type but a string containingexactly one character.

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Answer 6

The last item in the sequence is selected for an index value of -1.

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Answer 5

False. The integers may be positive or negative.

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Answer 4

If the primary is a sequence , the expression_list must evaluate to an integer or a slice.

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Answer 3

The primary must evaluate to an object of a sequence or mapping type.

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Answer 2

string, tuple and list and possibly range object

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Answer 1

False in the Python context. In Python, A subscription selects an item of a sequence object.

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Miscellaneous

This section contains a variety of miscellaneous information.

Housekeeping material
  • Module name: Itse1359-1080r-Review
  • File: Itse1359-1080r.htm
  • Published: 10/15/14
  • Revised: 02/21/15
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 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 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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