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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.

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Answer 15

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

Listing 2 . Answer 15.

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

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


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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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