Computer Science Python Test
This test covers the first four introductory chapters on Python programming.
- 1.The following codes all have one error. In your answer describe the problem and how to fix it. (5 PTS each)
- 2.
![#NiceSquareSpiral.pyimport turtle colors=['red', 'purple', 'blue', 'green', 'yellow', 'orange']t=turtle.pen()t.speed(0)turtle.bgcolor('black')for x in range(360): t.pencolor(colors[x%4]) t.width(x/100+1) t.forward(x) t.left(88) - ProProfs](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs= "#NiceSquareSpiral.pyimport turtle colors=['red', 'purple', 'blue', 'green', 'yellow', 'orange']t=turtle.pen()t.speed(0)turtle.bgcolor('black')for x in range(360): t.pencolor(colors[x%4]) t.width(x/100+1) t.forward(x) t.left(88)")
#NiceSquareSpiral.pyimport turtle colors=['red', 'purple', 'blue', 'green', 'yellow', 'orange']t=turtle.pen()t.speed(0)turtle.bgcolor('black')for x in range(360): t.pencolor(colors[x%4]) t.width(x/100+1) t.forward(x) t.left(88) - 3.
Import turtlet = turtle.Pen()turtle.bgcolor("black")t.speed(0)sides = 3colors = ["red", "yellow", "blue", "orange", "green", "purple"]for x in range(360):t.pencolor(colors[x%sides])t.forward(x * 3 / sides + x)t.left(360/sides + 1)t.width(x*sides/100)
- 4.
SquareSpiral1.pyimport turtlet = turtle.Pen()t.speed(0)for x in range(100): t.forward(2*x) t.left(90)
- 5.
# AtlantaPizza.py # Ask the person how many pizzas they want, get the number with eval()number_of_pizzas = eval(input("How many pizzas do you want? ")) # Ask for the menu cost of each pizzacost_per_pizza = eval(input("How much does each pizza cost? ") # Calculate the total cost of the pizzas as our subtotalsubtotal = number_of_pizzas * cost_per_pizza # Calculate the sales tax owed, at 8% of the subtotaltax_rate = 0.08 # Store 8% as the decimal value 0.08sales_tax = subtotal * tax_rate # Add the sales tax to the subtotal for the final totaltotal = subtotal + sales_tax # Show the user the total amount due, including taxprint("The total cost is $", total)print("This includes $", subtotal, "for the pizza and")print("$", sales_tax, "in sales tax.")
- 6.What program do you run to enter the Python editor?
- A.
Windows
- B.
Python
- C.
Idle
- D.
Interactive Mode
- 7.The >>> symbol in Python is known as the _______.
- A.
Prompt
- B.
Cursor
- C.
Whack
- D.
Float
- 8.Within Python, there are two different modes. Which mode is instant and runs a line of code the second the user presses 'enter'?
- A.
Editor
- B.
Shell
- C.
Loop
- D.
Interactive mode
- 9.What file extension do all files created in Python end in? (Example: an audio file might end in a FLAC or MP3 file extension)
- A.
EXE
- B.
BAT
- C.
PY
- D.
DLL
- 10.While coding, programmers often make notes to themselves or other programmers. These notes left behind by programmers are called comments. When adding a comment, what symbol must the programmer add to tell Python to overlook this line in the code?
- A.
#
- B.
>>>>
- C.
()
- D.
[]
- 11."Reserved words" in Python are also known as _______. These words and reserved by Python for particular functions. When these words are typed they change to a different color in the code.
- A.
Shortcuts
- B.
Index
- C.
Variables
- D.
Keywords
- 12.Turtle is a _________ built into Python that performs drawing functions.
- A.
Program
- B.
Command
- C.
Module
- D.
Keyword
- 13.If a programmer wishes to use Turtle, what line of code should they first type to enable it?
- A.
T = turtle
- B.
Import turtle
- C.
Turtle
- D.
Turtle.Pen
- 14.In the following statement identify the variable.t = turtle.Pen
- A.
T
- B.
=
- C.
Turtle.Pen
- D.
""
- 15.What is a value?
- A.
A type that represents sequences of characters.
- B.
One of the basic units of data, like a number or string, that a program manipulates.
- C.
A program stored in a file (usually one that will be interpreted).
- D.
The structure of a program.
- 16.What is a string?
- A.
A category of values. The types we have seen so far are integers (type int), floatingpoint numbers (type float), and strings (type str).
- B.
A programming statement that allows a block of code to be repeated as long as a condition is true.
- C.
A sequence of characters, which can include letters, numbers, symbols, punctuation, and spacing.
- D.
A named value that can change
- 17.What is a loop?
- A.
A part of a program that can execute repeatedly.
- B.
A file or set of files with related variables, functions, and classes that can be reused in other programs.
- C.
A symbol or set of symbols that represents an action or comparison and returns a result, such as +, -, *, //, , ==, and so on.
- D.
An input variable to a function, specified in the function’s definition
- 18.What is an operator?
- A.
A variable containing information about a single instance of a class, such as a single sprite from the Sprite class.
- B.
A special, reserved word that means something in a particular programming language.
- C.
An input variable to a function, specified in the function’s definition.
- D.
A symbol or set of symbols that represents an action or comparison and returns a result, such as +, -, *, //, , ==.
- 19.The values the operator is applied to are called _____.
- A.
Intergers
- B.
Types
- C.
Operands
- D.
Variables
- 20.When giving a value to a variable it is known as a ________.
- A.
Script
- B.
Assignment statement
- C.
Semantics
- D.
Parse
- 21.("What is your name?") is a _________.
- A.
String
- B.
Loop
- C.
Operator
- D.
Variable
- 22.[] indicates a _____.
- A.
Loop
- B.
String
- C.
Value
- D.
List
- 23.A whole number such as 6 is seen in Python as what type?
- A.
String
- B.
Float
- C.
Interger
- D.
Operand
- 24.The number 3.5 is seen in Python as this type.
- A.
String
- B.
Float
- C.
Interger
- D.
Operand
- 25.This type of loop runs for a set length or range.
- A.
For
- B.
While
- C.
If
- D.
Nested
![#NiceSquareSpiral.pyimport turtle colors=['red', 'purple', 'blue', 'green', 'yellow', 'orange']t=turtle.pen()t.speed(0)turtle.bgcolor('black')for x in range(360): t.pencolor(colors[x%4]) t.width(x/100+1) t.forward(x) t.left(88) - ProProfs](https://media.proprofs.com/images/QM/user_images/1867768/1445822214.JPG "#NiceSquareSpiral.pyimport turtle colors=['red', 'purple', 'blue', 'green', 'yellow', 'orange']t=turtle.pen()t.speed(0)turtle.bgcolor('black')for x in range(360): t.pencolor(colors[x%4]) t.width(x/100+1) t.forward(x) t.left(88)")
![Import turtlet = turtle.Pen()turtle.bgcolor("black")t.speed(0)sides = 3colors = ["red", "yellow", "blue", "orange", "green", "purple"]for x in range(360):t.pencolor(colors[x%sides])t.forward(x * 3 / sides + x)t.left(360/sides + 1)t.width(x*sides/100) - ProProfs](https://media.proprofs.com/images/QM/user_images/1867768/1445822350.JPG "Import turtlet = turtle.Pen()turtle.bgcolor(\"black\")t.speed(0)sides = 3colors = [\"red\", \"yellow\", \"blue\", \"orange\", \"green\", \"purple\"]for x in range(360):t.pencolor(colors[x%sides])t.forward(x * 3 / sides + x)t.left(360/sides + 1)t.width(x*sides/100)")
Questions: 10 | Attempts: 15246 | Last updated: Mar 22, 2022
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