Deck 7: Lists and Tuples

Question 1

The index of the first element in a list is 1,the index of the second element is 2,and so forth.

Answer 1

False

Question 2

The remove method removes all occurrences of an item from a list.

Answer 2

False

Question 3

To add a descriptive label to the X and Y axes of a graph when using the matplotlib package,you need to import the labels module.

Answer 3

False

Question 4

The primary difference between a tuple and a list is that

A) you don't use commas to separate elements in a tuple
B) a tuple can only include string elements
C) a tuple cannot include lists as elements
D) once a tuple is created, it cannot be changed

Question 5

What are the data items in a list called?

A) data
B) elements
C) items
D) values

Question 6

In slicing,if the end index specifies a position beyond the end of the list,Python will use the length of the list instead.

Question 7

Which of the following would you use if an element is to be removed from a specific index?

A) a del statement
B) a remove method
C) an index method
D) a slice method

Question 8

What is an advantage of using a tuple rather than a list?

A) Tuples are not limited in size.
B) Tuples can include any data as an element.
C) Processing a tuple is faster than processing a list.
D) There is never an advantage to using a tuple.

Question 9

Lists are dynamic data structures such that items may be added to them or removed from them.

Question 10

Which list will be referenced by the variable number after the following code is executed?
Number = range(0,9,2)

A) [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]
B) [1, 3, 5, 7, 9]
C) [2, 4, 6, 8]
D) [0, 2, 4, 6, 8]

Question 11

In order to create graphs using the matplotlib package,you need to import the pyplot module.

Question 12

Arrays,which are allowed by most other programming languages,have more capabilities than Python list structures.

Question 13

Invalid indexes do not cause slicing expressions to raise an exception.

Question 14

The sort method rearranges the elements of a list so they are in ascending or descending order.

Question 15

A list cannot be passed as an argument to a function.

Question 16

What is the first negative index in a list?

A) 0
B) -1
C) -0
D) the size of the list minus 1

Question 17

The index -1 identifies the last element in a list.

Question 18

To calculate the average of the numeric values in a list,the first step is to get the total of values in the list.

Question 19

Which method can be used to place an item at a specific index in a list?

A) append
B) index
C) insert
D) add

Question 20

When working with multiple sets of data,one would typically use a(n)

A) list
B) tuple
C) nested list
D) sequence

Question 21

The ___________ function can be used to convert a list to a tuple.

Question 22

Lists are ___________,which means their elements can be changed in a program.

Question 23

What will be the value of the variable list2 after the following code executes?

A) [1, 2, 3]
B) [4, 5, 6]
C) [1, 2, 3, 4, 5, 6]
D) Nothing; this code is invalid

Question 24

Which method or operator can be used to concatenate lists?

A) *
B) +
C) %
D) concat

Question 25

Which method can be used to convert a list to a tuple?

A) append
B) tuple
C) insert
D) list

Question 26

The built-in function __________ returns the length of a sequence.

Question 27

Tuples are __________ sequences which means that once a tuple is created,it cannot be changed.

Question 28

A(n)___________ is a span of items that are taken from a sequence.

Question 29

What will be the value of the variable list after the following code executes?
List = [1,2,3,4]
List[3] = 10

A) [1, 2, 3, 10]
B) [1, 2, 10, 4]
C) [1, 10, 10, 10]
D) Nothing; this code is invalid

Question 30

The __________ package is a library you can use in Python to create two-dimensional charts and graphs.

Question 31

The __________ function returns the item that has the lowest value in the sequence.

Question 32

Each element in a tuple has a(n)__________ that specifies its position in the tuple.

Question 33

What will be the output after the following code is executed?

A) It will display a simple line graph.
B) It will display a simple bar graph.
C) Nothing; plt is not a Python method.
D) Nothing; the number of x-coordinates do not match the number of y-coordinates.

Question 34

Which method can be used to convert a tuple to a list?

A) append
B) tuple
C) insert
D) list

Question 35

In order to create a graph in Python,you need to include

A) import matplotlib
B) import pyplot
C) import matplotlib.pyplot
D) import matplotlib
Import pyplot

Question 36

What will be the value of the variable list after the following code executes?
List = [1,2]
List = list * 3

A) [1, 2] * 3
B) [3, 6]
C) [1, 2, 1, 2, 1, 2]
D) [1, 2], [1, 2], [1, 2]

Question 37

The __________ method reverses the order of the items in a list.

Question 38

The __________ exception is raised when a search item is not in the list being searched.

Question 39

A(n)__________ is an object that holds multiple items of data.

Question 40

The __________ method is commonly used to add items to a list.