Chapter 10

Question 1

list

Answer 1

a sequence of values within brackets (like an array)

Question 2

element

Answer 2

one of the values in a list (or other sequence), also called items.

Question 3

index

Answer 3

an integer value that indicates an element in a list.

Question 4

nested list

Answer 4

a list that is an element of another list

Question 5

list traversal

Answer 5

the sequential accessing of each element in a list.

Question 6

mapping

Answer 6

a relationship in which each element of one set corresponds to an element of another set. EG, a list is a mapping from indices to element.s

Question 7

accumulator

Answer 7

a variable used in a loop to add up or accumulate a result

Question 8

augmented assignment

Answer 8

a statement that updates the value of a variable using an operator like +=

Question 9

reduce

Answer 9

a processing pattern that traverses a sequence and accumulates the elements into a single result.

Question 10

map

Answer 10

a processing pattern that traverses a sequence and performs an operator on each element.

Question 11

filter

Answer 11

a processing pattern that traverses a list and selects the elements that satisfy some criterion.

Question 12

object

Answer 12

something a variable can refer to. an object has a type and a value.

Question 13

equivalent

Answer 13

having the same value.

Question 14

identical

Answer 14

being the same object (which implies equivalence).

Question 15

reference

Answer 15

the association between a variable and its value.

Question 16

aliasing

Answer 16

a circumstance where two or more variables refer to the same object.

Question 17

delimiter

Answer 17

a character or string used to indicate where a string should be split.