Glossary Chpt 8

Question 1

object

Answer 1

Something a variable can refer to. For now, you can use “object” and “value” interchangeably

Question 2

sequence

Answer 2

An ordered collection of values where each value is identified by an integer index.

Question 3

item

Answer 3

One of the values in a sequence.

Question 4

index

Answer 4

An integer value used to select an item in a sequence, such as a character in a string. In Python indices start from 0.

Question 5

slice

Answer 5

A part of a string specified by a range of indices.

Question 6

empty string

Answer 6

A string with no characters and length 0, represented by two quotation marks.

Question 7

immutable

Answer 7

The property of a sequence whose items cannot be changed.

Question 8

traverse

Answer 8

To iterate through the items in a sequence, performing a similar operation on each.

Question 9

search

Answer 9

A pattern of traversal that stops when it finds what it is looking for.

Question 10

counter

Answer 10

A variable used to count something, usually initialized to zero and then incremented.

Question 11

invocation

Answer 11

A statement that calls a method.

Question 12

optional argument

Answer 12

A function or method argument that is not required