IBM Applied AI to IBM AI Developer Professional Certificate • STUDY MODE

PRACTICE QUIZ

QUESTION 1 OF 39

what is the result of the following: 1=2 Explanation, this statement is a syntax error

True

SyntaxError:can't assign to literalCorrect Answer

False

QUESTION 2 OF 39

What is the output of the following code segment: i=6 i<5

True

FalseCorrect Answer

SyntaxError: can't assign to literal

QUESTION 3 OF 39

What is the result of the following: 5!=5 Explanation, this is the inequality operator

FalseCorrect Answer

True

QUESTION 4 OF 39

What is the output of the following code segment: 'a'=='A' Explanation, the equality operator is case sensitive

FalseCorrect Answer

True

QUESTION 5 OF 39

in the video, if age=18 what would be the result

move onCorrect Answer

you can enter

QUESTION 6 OF 39

in the video what would be the result if we set the variable age as follows: age= -10

go see Meat Loaf

move onCorrect Answer

you can enter

move on

QUESTION 7 OF 39

what is the result of the following: True or False Explanation,an or statement is only False if all the Boolean values are False PRACTICE QUIZ

True, an or statement is only False if all the Boolean values are FalseCorrect Answer

False

QUESTION 8 OF 39

what will be the output of the following: for x in range(0,3): print(x) 1 2 (CORRECT) 1 2 3

QUESTION 9 OF 39

what is the output of the following: for x in ['A','B','C']: print(x+'A') BA CA (CORRECT) B C

QUESTION 10 OF 39

what is the output of the following: for i,x in enumerate(['A','B','C']): print(i,x) 1 B 2 C (CORRECT) BB CC PRACTICE QUIZ

0 A

QUESTION 11 OF 39

What does the following function return: len(['A','B',1]) ? Explanation, the function returns the number of elements in the list, in this case 3.

3Correct Answer

QUESTION 12 OF 39

What does the following function return: len([sum([0,0,1])]) ?

1Correct Answer

QUESTION 13 OF 39

What is the value of list L after the following code segment is run : L=[1,3,2] sorted(L) Explanation, sorted is a function and returns a new list, it does not change the list L

L:[1,3,2]Correct Answer

L:[1,2,3]

L:[0,0,0]

QUESTION 14 OF 39

From the video what is the value of c after the following: c=add1(2) c=add1(10) Explanation, when you call the function the second time the value of c is reassigned.

11Correct Answer

QUESTION 15 OF 39

what is the output of the following lines of code: def Print(A): for a in A: print(a+'1') Print(['a','b','c']) b c b1 c1 (CORRECT) Explanation, the function concatenates a string PRACTICE QUIZ

QUESTION 16 OF 39

Why do we use exception handlers?

Terminate a program

Write a file

Read a file

Catch errors within a programCorrect Answer

QUESTION 17 OF 39

What is the purpose of a try…except statement? PRACTICE QUIZ

Crash a program when errors occur

Catch and handle exceptions when an error occursCorrect Answer

Executes the code block only if a certain condition exists

Only executes if one condition is true

QUESTION 18 OF 39

What is the type of the following? ["a"] Explanation, the "a" is surrounded by brackets so it is a list.

str

listCorrect Answer

QUESTION 19 OF 39

What does a method do to an object?

Changes or interacts with the objectCorrect Answer

Returns a new values

QUESTION 20 OF 39

We create the object: Circle(3,'blue') What is the color attribute set to?

'blue'Correct Answer

QUESTION 21 OF 39

What is the radius attribute after the following code block is run? RedCircle=Circle(10,'red') RedCircle.radius=1 Explanation, the line of code RedCircle.radius=1 will change the radius.

1Correct Answer

'red'

QUESTION 22 OF 39

What is the radius attribute after the following code block is run? BlueCircle=Circle(10,'blue') BlueCircle.add_radius(20) MODULE 3 GRADED QUIZ

30Correct Answer

QUESTION 23 OF 39

What is the output of the following code? x="Go" if(x=="Go"): print('Go ') else: print('Stop') print('Mike')

Go MikeCorrect Answer

Mike

Stop Mike

QUESTION 24 OF 39

What is the result of the following lines of code? x=1 x>5

True

FalseCorrect Answer

QUESTION 25 OF 39

What is the output of the following few lines of code? x=0 while(x<2): print(x) x=x+1 1 (CORRECT) 1 2 1 3 4

QUESTION 26 OF 39

What is the result of running the following lines of code ? class Points(object): def init(self,x,y): self.x=x self.y=y def print_point(self): print('x=',self.x,' y=',self.y) p1=Points(1,2) p1.print_point()

x=1;

x=1 y=2Correct Answer

y=2

QUESTION 27 OF 39

What is the output of the following few lines of code? for i,x in enumerate(['A','B','C']): print(i,2*x) 1 BB 2 CC (CORRECT) 1 B 2 C 2 B 4 C

0 AA

0 A

QUESTION 28 OF 39

What is the result of running the following lines of code ? class Points(object): def init(self,x,y): self.x=x self.y=y def print_point(self): print('x=',self.x,' y=',self.y) p2=Points(1,2) p2.x='A' p2.print_point()

x= 1 y=2

x= A y=2Correct Answer

x=A, y=B

QUESTION 29 OF 39

Consider the function delta, when will the function return a value of 1? def delta(x): if x==0: y=1 else: y=0 return(y)

When the input is anything but 0

When the input is 1Correct Answer

Never

When the input is 0

QUESTION 30 OF 39

What is the output of the following lines of code? a=1 def do(x): return(x+a) print(do(1)) Explanation, the value of a in the global scope will be used

2Correct Answer

NameError: name 'a' is not defined

QUESTION 31 OF 39

Write a function name add that takes two parameter a and b, then return the output of a + b (Do not use any other variable! You do not need to run it. Only write the code about how you define it.) Answer: return(a+b)

def add(a,b):

QUESTION 32 OF 39

Why is it best practice to have multiple except statements with each type of error labeled Explanationly?

Ensure the error is caught so the program will terminate

In order to know what type of error was thrown and the location within the programCorrect Answer

To skip over certain blocks of code during execution

It is not necessary to label errors

QUESTION 33 OF 39

What is the result of the following lines of code? x=1 x>-5

TrueCorrect Answer

False

QUESTION 34 OF 39

What is the result of running the following lines of code ? class Points(object): def init(self,x,y): self.x=x self.y=y def print_point(self): print('x=',self.x,' y=',self.y) p1=Points("A","B") p1.print_point()

x= A

y= B

x= A y= BCorrect Answer

QUESTION 35 OF 39

What is the output of the following few lines of code? for i,x in enumerate(['A','B','C']): print(i+1,x) 2 B 3 C (CORRECT) 1 B 2 C 1 BB 2 CC

1 A

0 A

0 AA

QUESTION 36 OF 39

What is the output of the following lines of code? a=1 def do(x): a=100 return(x+a) print(do(1)) Explanation, the value of a=100 exists in the local scope of the function. Therefore the value of a=1 in the global scope is not used.

101Correct Answer

102

QUESTION 37 OF 39

What is the output of the following few lines of code? x=5 while(x!=2): print(x) x=x-1 4 3 (CORRECT) 4 3 2

Explanation:

the program will never leave the loop

QUESTION 38 OF 39

What is the result of running the following lines of code ? class Points(object): def init(self,x,y): self.x=x self.y=y def print_point(self): print('x=',self.x,' y=',self.y) p2=Points(1,2) p2.x=2 p2.print_point()

x=2 y=2Correct Answer

x=1 y=2

x=1 y=1

QUESTION 39 OF 39

Consider the function step, when will the function return a value of 1? def step(x): if x>0: y=1 else: y=0 return y Explanation, the value of y is 1 only if x is larger than 0

if x is larger than 0Correct Answer

if x is equal to or less then zero

if x is less than zero

Ready to test your recall?

what is the result of the following: 1=2 Explanation, this statement is a syntax error

True

SyntaxError:can't assign to literal

False

How confident are you in this answer?

PRACTICE QUIZ

what is the result of the following: 1=2 Explanation, this statement is a syntax error

What is the output of the following code segment: i=6 i<5

What is the result of the following: 5!=5 Explanation, this is the inequality operator

What is the output of the following code segment: 'a'=='A' Explanation, the equality operator is case sensitive

in the video, if age=18 what would be the result

in the video what would be the result if we set the variable age as follows: age= -10

what is the result of the following: True or False Explanation,an or statement is only False if all the Boolean values are False PRACTICE QUIZ

what will be the output of the following: for x in range(0,3): print(x) 1 2 (CORRECT) 1 2 3

what is the output of the following: for x in ['A','B','C']: print(x+'A') BA CA (CORRECT) B C

what is the output of the following: for i,x in enumerate(['A','B','C']): print(i,x) 1 B 2 C (CORRECT) BB CC PRACTICE QUIZ

What does the following function return: len(['A','B',1]) ? Explanation, the function returns the number of elements in the list, in this case 3.

What does the following function return: len([sum([0,0,1])]) ?

What is the value of list L after the following code segment is run : L=[1,3,2] sorted(L) Explanation, sorted is a function and returns a new list, it does not change the list L

From the video what is the value of c after the following: c=add1(2) c=add1(10) Explanation, when you call the function the second time the value of c is reassigned.

what is the output of the following lines of code: def Print(A): for a in A: print(a+'1') Print(['a','b','c']) b c b1 c1 (CORRECT) Explanation, the function concatenates a string PRACTICE QUIZ

Why do we use exception handlers?

What is the purpose of a try…except statement? PRACTICE QUIZ

What is the type of the following? ["a"] Explanation, the "a" is surrounded by brackets so it is a list.

What does a method do to an object?

We create the object: Circle(3,'blue') What is the color attribute set to?

What is the radius attribute after the following code block is run? RedCircle=Circle(10,'red') RedCircle.radius=1 Explanation, the line of code RedCircle.radius=1 will change the radius.

What is the radius attribute after the following code block is run? BlueCircle=Circle(10,'blue') BlueCircle.add_radius(20) MODULE 3 GRADED QUIZ

What is the output of the following code? x="Go" if(x=="Go"): print('Go ') else: print('Stop') print('Mike')

What is the result of the following lines of code? x=1 x>5

What is the output of the following few lines of code? x=0 while(x<2): print(x) x=x+1 1 (CORRECT) 1 2 1 3 4

What is the result of running the following lines of code ? class Points(object): def __init__(self,x,y): self.x=x self.y=y def print_point(self): print('x=',self.x,' y=',self.y) p1=Points(1,2) p1.print_point()

What is the output of the following few lines of code? for i,x in enumerate(['A','B','C']): print(i,2*x) 1 BB 2 CC (CORRECT) 1 B 2 C 2 B 4 C

What is the result of running the following lines of code ? class Points(object): def __init__(self,x,y): self.x=x self.y=y def print_point(self): print('x=',self.x,' y=',self.y) p2=Points(1,2) p2.x='A' p2.print_point()

Consider the function delta, when will the function return a value of 1? def delta(x): if x==0: y=1 else: y=0 return(y)

What is the output of the following lines of code? a=1 def do(x): return(x+a) print(do(1)) Explanation, the value of a in the global scope will be used

Write a function name add that takes two parameter a and b, then return the output of a + b (Do not use any other variable! You do not need to run it. Only write the code about how you define it.) Answer: return(a+b)

Why is it best practice to have multiple except statements with each type of error labeled Explanationly?

What is the result of the following lines of code? x=1 x>-5

What is the result of running the following lines of code ? class Points(object): def __init__(self,x,y): self.x=x self.y=y def print_point(self): print('x=',self.x,' y=',self.y) p1=Points("A","B") p1.print_point()

What is the output of the following few lines of code? for i,x in enumerate(['A','B','C']): print(i+1,x) 2 B 3 C (CORRECT) 1 B 2 C 1 BB 2 CC

What is the output of the following lines of code? a=1 def do(x): a=100 return(x+a) print(do(1)) Explanation, the value of a=100 exists in the local scope of the function. Therefore the value of a=1 in the global scope is not used.

What is the output of the following few lines of code? x=5 while(x!=2): print(x) x=x-1 4 3 (CORRECT) 4 3 2

What is the result of running the following lines of code ? class Points(object): def __init__(self,x,y): self.x=x self.y=y def print_point(self): print('x=',self.x,' y=',self.y) p2=Points(1,2) p2.x=2 p2.print_point()

Consider the function step, when will the function return a value of 1? def step(x): if x>0: y=1 else: y=0 return y Explanation, the value of y is 1 only if x is larger than 0

Ready to test your recall?

What is the result of running the following lines of code ? class Points(object): def init(self,x,y): self.x=x self.y=y def print_point(self): print('x=',self.x,' y=',self.y) p1=Points(1,2) p1.print_point()

What is the result of running the following lines of code ? class Points(object): def init(self,x,y): self.x=x self.y=y def print_point(self): print('x=',self.x,' y=',self.y) p2=Points(1,2) p2.x='A' p2.print_point()

What is the result of running the following lines of code ? class Points(object): def init(self,x,y): self.x=x self.y=y def print_point(self): print('x=',self.x,' y=',self.y) p1=Points("A","B") p1.print_point()

What is the result of running the following lines of code ? class Points(object): def init(self,x,y): self.x=x self.y=y def print_point(self): print('x=',self.x,' y=',self.y) p2=Points(1,2) p2.x=2 p2.print_point()