Free Printable Tynker Python Lesson 7-8

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Tynker Python Lesson 7-8

Total questions: 84

Worksheet time: 42mins

Name

Class

Date

You need to import the turtle module before you can use the Turtle Tool.

True

False

When you first create a turtle, it starts at (0,0) on the screen. Where will the turtle be if we execute the following code?

turtle.forward(100)

(0,0)

(100,0)

(0,100)

(100,100)

When you first create a turtle, it starts at (0,0) on the screen. Where will the turtle be if we execute the following code?

turtle.right(90)

turtle.forward(100)

(100,0)

(0,-100)

(100,-100)

When you first create a turtle, it starts at (0,0) on the screen. Where will the turtle be if we execute the following code?

turtle.right(90)

turtle.goto(100,100)

(0,-100)

(0,0)

(100,100)

(200,0)

What function do you use to get the turtle to start drawing?

turtle.penup()

turtle.pendown()

turtle.goto()

turtle.right()

What function do you use to create a new Turtle object?

turtle.Screen()

turtle.Turtle()

turtle.penup()

turtle.goto()

Which of the following code sets the screen's color to red?

screen.color("red")

screen.make("red")

screen.hide("red")

screen.bgcolor("red")

True or False : You can only have one Turtle on the screen.

True

False

An identifier cannot begin with a number. Which of the following is NOT a valid identifier?

num

_num

NUM

1num_

10.

An identifier can begin with an underscore (“_”).

True

False

11.

An identifier can begin with a number.

True

False

12.

In Python, an identifier may begin with an underscore or a letter. Which of the following is a valid identifier? Select all that apply.

_total

2_count

NUM_COUNT

dollar_sign

13.

Which of the following is a valid function call?

forwad)

tu-left()

forward()

forward(;

14.

Select the following function calls that are invalid.

ford)(

$forDS()

forward()

turn_left()

15.

How would you call a function named “my_function”?

Call my_function()

my_function

my_function))

my_function()

16.

Identifiers in Python are case-sensitive.

True

False

17.

78090 is a valid identifier in Python.

True

False

18.

Select the following invalid identifiers. (Identifiers are only allowed to start with an underscore or letter.)

&ident

1ident

_ident

-ident

19.

How would you move an object forward 3 times?

forward() forward() forward()

forward() * 3

Call_forward() 3 times

forward() {3}

20.

You are not able to call the same function twice in a row.

True

False

21.

You can replace the parentheses on a function call with square brackets.

True

False

22.

The parentheses at the end of a function call are optional.

True

False

23.

'''Which of the following is the correct way to start a multi-line comment?

'''

24.

Both of the following are valid ways to comment code:

# hello

# world

' ' 'hello world' ' '

True

False

25.

Which of the following comments are correct? Select all that apply.

// hello

# hello

/*he

llo */

//he

llo//

26.

Commented lines affect the execution of your program.

True

False

27.

What is the error in this code?

''' This function does something '''

def foo() :

print("hello world") ''' prin

The single line comment must use # instead of '''

The end of the multi-line comment cannot be on its own line

The beginning and end of the multi line comments are incorrect

All answers are errors in the code

28.

How many blocks will the character move using the following code?

for i in range(1,5) :

forward()

29.

Which "for" loop will move your character 5 times?

for i in range(1,5) : forward()

for i in range(5) : forward()

for i in range(1,3) : forward()

for i in range(2,5) : forward()

30.

The following "for" loop has correct syntax.

for rang(1,1) :

forward()

True

False

31.

How many times will “function1” be called?

for i in range(10) :

for j in range(10) :

function1()

100

32.

Which is the correct syntax to make a "for" loop run for all numbers from 0 to 10?

for i in range(1,10) :

for i in range(10) :

for i in range(-10) :

for i in range(11) :

33.

The following loop will go from i = 5 to i = 1.

for i in range(5,0,-1)

True

False

34.

"For" loops can increment upwards or downwards.

True

False

35.

Choose the following "for" loops that repeat 5 times. Mark all that apply.

for i in range(5)

for i in range(1,5)

for i in range(5,10)

for i in range(10,2)

36.

Select the invalid "for" loops.

for i in range(5) :

for 2 in range(5) :

for i in range() :

for i in range(5,-1) :

37.

How many times will the following "for" loop execute?

for i in range(10,5,-1) :

38.

Why should you indent your code?

In Python, the program’s execution changes based on whether you indent or not

Code that is not indented properly will produce syntax errors

It is much easier to read indented code

All of the above

39.

Which of the following makes the character shoot if there is an enemy ahead? Mark all that apply.

if enemy_in_sight() : long_jump()

if not enemy_in_sight() : fire()

if enemy_in_sight() : fire()

if enemy_in_sight() : forward()

40.

The following two pieces of code do the same thing:

if condition :

forward()

# next code

if condition :

forward()

else :

fire()

True

False

41.

You are given three variables, A=True, B=False and C=False. What is the value of the expression A and ( B or C )?

True

False

None

I don't know

42.

Which part of a conditional goes after the if keyword and before the colon?

The word “if”

The word “else”

The code to run

The condition

43.

When would you use an "if-else" statement over an "if" statement?

When you want to stop running code once the condition is false

When you want to run different code if a condition is false

When you want to run code and then check if the condition is true after

They have the exact same function

44.

There is no difference between an "if" statement and an "if-else" statement.

True

False

45.

If you wanted to run different code given different conditions, how would you do that?

Combine all the conditions in one condition using “or”

Use “elif” statements

Put everything in the “else” statement

Create two functions

46.

When running this code, what will the character do if there is an enemy?

if not enemy_in_sight() :

fire()

fire

nothing

walk forward

jump

47.

What would the following code do?

while True :

print(“Hello”)

Print “Hello” once

Print “Hello” infinitely

Do nothing

None of the above

48.

"While" loops always terminate eventually.

True

False

49.

What is the output of this code?

i = 1

while (i < 1) :

print(“hello”)

hello

It will output an error

It won't output anything

50.

When might you use a "while" loop instead of a "for" loop?

If you know exactly how many iterations you want to perform

If you don’t know exactly how many iterations you want to perform

You should always use a "while" loop instead of a "for" loop

You should never use a "while" loop instead of a "for" loop

51.

What is outputted by this code?

while True : break print("Hello") else : print("World")

Hello

World

It will not output anything

World

52.

This checks whether a condition is true before each time it executes the code inside of it.

"While" Loop

"During" Loop

"Before" Loop

"Fruit" Loop

53.

A programming language that is widely used in web-development.

Boa

Python

Turtle

Gator

54.

The set of rules that govern how a programming language is structured.

Syntax

Python

Command

Identifier

55.

When you declare a function, variable, or data structure, you need to give it a name called a(n):

Python

Syntax

Command

Identifier

56.

When you use this symbol in your code, #, you can write notes to yourself that the computer will ignore. These are called:

Syntax

Commands

Comments

Identifiers

57.

This allows you to execute the same code a number of times. (Just the basic one.)

Loop

"For" Loop

Indentation

"Nested" Loop

58.

This lets you execute a code a predetermined number of times.

Loop

"For" Loop

Indentation

"Nested" Loop

59.

This shows the structure of the code in Python and is not optional.

Loop

"For" Loop

Indentation

Nesting

60.

A data type that has only 2 possible values, true or false.

Boolean

Conditional Statement

Assignment Operator

Logical Operator

61.

This checks if a condition is true and then only executes code if true.

Boolean

Conditional Statement

Assignment Operator

Logical Operator

62.

This takes 1 or 2 Boolean values and returns a Boolean value.

Boolean

Conditional Statement

Assignment Operator

Logical Operator

63.

This executes the code inside it once before checking whether the condition is true for each subsequent iteration.

"While" Loop

"Do-while" Loop

"Break" Statement

Infinite Loop

64.

This will stop a loop from iterating before it ends naturally.

"While" Loop

"Do-while" Loop

"Break" Statement

Infinite Loop

65.

This loop will never stp iterating.

Infinite Loop

"Break" Statement

"While" Loop

"Do-while" Loop

66.

When you cycle through a loop it is called a(n):

iteration

illiterate

unfortunate event

loop cycle

67.

An instruction that you give the computer.

Comment

Command

Curtain

Cauliflower

68.

Putting a _ into a name, such as player_scores, is a naming convention called:

python_case

cd_case

snake_case

pillow_case

69.

These are used in computer languages and contain operators that can be used within equations to perform calculations.

arithmetic operators

denominators

numerators

snake_case

70.

The placing of one loop inside the body of another loop.

fruit loops

while loops

contained loops

nested loops

71.

Gives the remainder when one number is divided by another.

dividand

modulus

moderator

EV3

72.

These assign a value on the right side of the operator to the left side.

assignment operator

Boolean

comparison operator

Boolean finder

73.

These check the value of the L and R sides of operator and return Boolean of T or F.

Comparison Operator

Nested Conditional

Assignment Operator

Boolean FInder

74.

You can add conditionals within conditionals.

Bird Nest

Nested Operator

Nested Conditional

Tweety Bird

75.

You can use these to store data like integers, strings, or Booleans.

Variable

Concatenation

String

Boolean

76.

You can use these to store text such as names or sentences.

Commands

Variables

Strings

Books

77.

This type of notation is used to identify the elements of any array or list, as well as strings.

I like turtles.

Variable

String

Index

78.

Any valid combination of variables, literals, or operators that compute to a single value.

Expression

Number

Integer

Float

79.

A number that can be written without fractions or decimals.

Variable

Integer

String

Index

80.

Hexadecimal numbers usually represent colors and are written in...

Base 16 format

Heiroglyphics

French

Cursive

81.

Octal numbers are written in...

Base 8 format

Base 16 format

French

Numerical Order

82.

The order in which the operates in an expression are evaluated to get the expressions value.

independent practice

operator precedence

statute of limitations

Statue of Liberty

83.

Known in other languages as an array allows a variable to store multiple values in a list format.

table

list

column

chart

84.

This data type uses named indexes to access elements. It is known as a name-value pair.

column

list

dictionary

periodic

100 %

Tynker Python Lesson 7-8

Total questions: 84

Worksheet time: 42mins

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