Deck 1: Introduction to Python: Introduction to Numeric Types, Turtle Graphics, Simple for Loops and Functions

Question 1

How does your text differentiate the three levels of problem-solving?

A) Input, variables, and output
B) Strategy, tactics, and tools
C) Algorithms, programs, and plans
D) Analysis, implementation, and execution

Answer 1

B

Question 2

You are working out a solution to a problem with the tips given in Chapter 1 of your text. What technique enables you to go from some specific examples of a solution-to a solution that can be implemented as a program?

A) Generalization
B) Simplification
C) Representation
D) Visualization

Answer 2

A

Question 3

You can type commands interactively at the Python shell by opening the Python interpreter and starting a(n):

A) expression.
B) listing.
C) session.
D) object.

Answer 3

C

Question 4

Whole numbers in Python are called:

A) complex numbers.
B) decimals.
C) floating point numbers.
D) integers.

Question 5

You have entered a calculation in the Python interpreter. To see the result of this calculation, which key would you press?

A) Spacebar
B) Tab
C) Enter (or Return)
D) =

Question 6

What is the Python prompt?

A) >>
B) >>>
C) #
D) //

Question 7

What is the result of the expression 15//2?

A) 1
B) 7
C) 7.7
D) 30

Question 8

What is the result of the expression 15/2?

A) 1
B) 7
C) 7.5
D) 8

Question 9

What do you use to associate an object name with an expression in Python?

A) Object space
B) Key label
C) Assignment statement
D) Abstract reference

Question 10

The name that allows us to locate a Python object is a(n):

A) algorithm.
B) assignment.
C) operand.
D) variable.

Question 11

Case Study 1:
Consider the following sequence of assignment statements:
>>> x = 15
>>> y = 25
>>> x = y
-What is the value of x after the first line?

A) 0
B) 15
C) 25
D) y

Question 12

Case Study 1:
Consider the following sequence of assignment statements:
>>> x = 15
>>> y = 25
>>> x = y
-What is the value of x after the last line?

A) 0
B) 15
C) 25
D) z

Question 13

Case Study 2:
The turtle module provides us with a simple graphics programming tool known as a "turtle." Very simply, a turtle is an object that we can control. A turtle can move forward or backward, and it can turn in any direction. When a turtle moves, it draws a line if its tail is down. A turtle object has both attributes and methods.
-One of the attributes of a turtle is:

A) color.
B) forward.
C) down.
D) dot.

Question 14

Case Study 2:
The turtle module provides us with a simple graphics programming tool known as a "turtle." Very simply, a turtle is an object that we can control. A turtle can move forward or backward, and it can turn in any direction. When a turtle moves, it draws a line if its tail is down. A turtle object has both attributes and methods.
-The turtle method ____ does not take any parameters.

A) forward
B) position
C) right
D) fillcolor

Question 15

Case Study 2:
The turtle module provides us with a simple graphics programming tool known as a "turtle." Very simply, a turtle is an object that we can control. A turtle can move forward or backward, and it can turn in any direction. When a turtle moves, it draws a line if its tail is down. A turtle object has both attributes and methods.
-Assume you have created a turtle instance. What is the result of calling the position method?

A) (0.0)
B) (0.00, 0.00)
C) (50.00, 50.00)
D) (100.00, 100.00)

Question 16

Consider the following for loop template. How many times will statement1 be executed?
For i in range(5):
Statement1
Statement2
)..

A) 0
B) 1
C) 5
D) n

Question 17

Given the following function definition, which of the statements below produces a square?
Def drawPolygon(myTurtle, sideLength, numSides):
TurnAngle = 360 / numSides
For i in range(numSides):
MyTurtle.forward(sideLength)
MyTurtle.right(turnAngle)

A) drawPolygon(t, 100, 4)
B) drawPolygon(t, 100, 8)
C) drawPolygon(t, 50, 20)
D) drawPolygon(t, 20, 20)

Question 18

Machine learning is providing key help on the forefront of diagnosing disease.

Question 19

The best way to learn Python is to read through a textbook before typing any commands to ensure that you understand the key concepts first.

Question 20

At a high level, the Python interpreter simply does two things over and over again: (1) read and (2) write.

Question 21

When converting floating-point numbers to integers, Python always truncates the fractional part of the number.

Question 22

The Python language contains many abstractions that are built by using Python elements. In other words, much of Python is written in Python.

Question 23

1. Match each definition with its term.
-Used by Python to classify different kinds of objects.

A) Type
B) Expression
C) Variable
D) Constructor
E) Program

Question 24

1. Match each definition with its term.
-A combination of operators and operands.

A) Type
B) Expression
C) Variable
D) Constructor
E) Program

Question 25

1. Match each definition with its term.
-The name found on the left side of the equals sign in an expression.

A) Type
B) Expression
C) Variable
D) Constructor
E) Program

Question 26

1. Match each definition with its term.
-A method that creates a new object.

A) Type
B) Expression
C) Variable
D) Constructor
E) Program

Question 27

1. Match each definition with its term.
-Step-by-step instructions that provide a solution to a problem.

A) Type
B) Expression
C) Variable
D) Constructor
E) Program

Question 28

Illustrate how computer science is used every day with an example.

Question 29

You have been asked to answer the following question: "A class has 12 students. At the beginning of class, each student shakes hands with each of the other students. How many handshakes take place?" Explain how you would use a simplification strategy to answer this question.

Question 30

Describe the types of primitive objects that Python provides for working with numbers.

Question 31

Explain how the Python interpreter evaluates the statement below.
name = python expression

Question 32

Describe the rules that Python imposes on the possible values for name in the statement below.
name = python expression

Question 33

What is abstraction, and how does this concept relate to a "black box?"

Question 34

The expression turtle.Turtle() contains the dot(.) operator. What is the purpose of this operator?