Chapter 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 set; that is, a set 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.

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 assigned.

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

method

Answer 11

a function that is associated with an object and called using dot notation.

Question 12

invocation

Answer 12

a statement that calls a method