Quiz about failure

Question 1

The number of arguments that can be passed to a function is

Accepted Answer

0 or more

Answer

1

Answer

1 or more

Answer

0

Question 2

The two types of functions used in Pythons are

Accepted Answer

Custom function and user function

Answer

System function

Answer

User function and system call

Answer

Builts-in and user-defined

Question 3

The variable defined outside the function is referred as

Accepted Answer

automatic

Answer

register

Answer

global

Answer

static

Question 4

The default arguments specified in the function header is an

Accepted Answer

Identifier followed by an = and the default value

Answer

Identifier followed by an #

Answer

Identifier followed by the default value within back-ticks

Answer

Identifier followed by the default value within []

Question 5

Guess the value of x with the below code:

Import math

X = math.sqrt(36)

Accepted Answer

6.0

Answer

6

Answer

-6

Answer

error

Question 6

A local variable in Python is a variable that is

Accepted Answer

Accessible from within the function

Answer

Defined inside every function

Answer

Local to the given program

Answer

All of these

Question 7

Which of the following logical operations are used in a while loop?

Accepted Answer

and, or, not

Answer

True, False

Answer

and, or, but

Answer

and, neither, nor

Question 8

Which statement is correct about the while loop in Python?

Accepted Answer

Repeatedly execute a block of statements while a condition is true

Accepted Answer

In the while loop, the break statement can be used

Answer

You cannot have a while loop nested within another while loop

Answer

The condition in while cannot have logical operations and/or/not

Question 9

Which statement is correct about using for loop in Python?

Accepted Answer

for is used when a block of code needs to be executed repeatedly a known number of times

Answer

Only use maximum of 2 nested for loops.

Answer

Cannot use continue or break statements in a for loop

Answer

for is used when a block of code needs to be executed repeatedly an indenfinite number of times until a condition is met.

Question 10

Guess the output of the following code if call quad(3):

Def quad(x):

X *=x

Accepted Answer

81

Answer

3

Answer

9

Answer

27

Question 11

Guess the program as shown below. Where, the variable count is used to count pairs (i,j) with the same parity. Which conditional expression is correct to put in the yellow highlighted area in the statement at line

1 count = 0

2 for i in range (10):

3 for j in range(10):

4 if ________

5 count +=1

6 print(count)

Accepted Answer

(i+j) % 2 == 0

Answer

(i % 2 == 0) and (j % 2 == 0)

Answer

(i+j) % 2 != 0

Answer

(i % 2 != 0) and (j % 2 != 0)

Question 12

Which conditional expression of the if statement needs to be filled in the blank part in line 5?

1 count = 0

2 n = 20

3 for num in range(2,n):

4 for i in range(2, int(num/2)+1):

5 if _______________:

6 else:

7 count +=1

8 print(count)

Accepted Answer

num %i ==0

Answer

num % 2 == 0

Answer

num%i !=0

Answer

num % 2 != 0

Question 13

Given the program as shown in the following figure. Which option fills in the blank on the line 4 so that the program does not loop infinitely (choose 2 answers):

X = 1

While x < 10:

Print(x)

X ______

Accepted Answer

*=2

Accepted Answer

+=2

Answer

/=2

Answer

-=2

Question 14

What is the value of variable x after executing the following program?

X= 0

For i in range (10):

For j in range (-1,-10,-1):

X+=1

Accepted Answer

90

Answer

100

Answer

99

Answer

101

Question 15

The function divmod(10,20) is evaluated as

Accepted Answer

(10//20, 10%20)

Answer

(10/20, 10%20)

Answer

(10%20, 10//20)

Answer

(10//20,10*20)

Question 16

Assume the list superstore is [1,2,3,4,5] which of the following is correct syntax for slicing operation?

Accepted Answer

All of these

Answer

print(superstore[0:])

Answer

print(superstore[:2])

Answer

print(superstore[:-2])

Question 17

The list function that inserts the item at the given index after shifting the items to the right is

Accepted Answer

insert()

Answer

append()

Answer

sort()

Answer

index()

Question 18

What will be the output of the following?

Accepted Answer

5

Answer

1

Answer

4

Answer

2

Question 19

There is a list A = [1,3,5,7,9,11], which of the following syntax is the best correct to get a sublist

Accepted Answer

All of these

Answer

A[1:-2]

Answer

A[1:3]

Answer

A[1:]

Question 20

Suppose continents = [1,2,3,4,5], what is the output of len(continents)?

Accepted Answer

5

Answer

4

Answer

error

Answer

none

Question 21

The method that is used to count the number of times an item has occurred in the list is

Accepted Answer

count()

Answer

len()

Answer

extend()

Answer

length()

Question 22

Find the output of the following code:

Accepted Answer

6

Answer

33

Answer

3

Answer

5

Question 23

. Assume quantity = [3,4,5,20, 5, 25,1,3] then what will be the items of quantity list after quantity.pop(1)

Accepted Answer

[3,5,20,5,25,1,3]

Answer

[3,4,5,20,5,25,1,3]

Answer

[1,3,3,4,5,5,20, 25]

Answer

[1,3,4,5,20,5,25]

Question 24

What is the correct way to define a function in Python?

Accepted Answer

def function_name():

Answer

def function_name:

Answer

function function_name():

Answer

define function_name():

Question 25

Which of the following is NOT a built-in data type in Python?

Accepted Answer

Tree

Answer

List

Answer

Dictionary

Answer

Tuple

Question 26

How can you remove an element from a list in Python?

Accepted Answer

all of the above

Answer

remove()

Answer

del()

Answer

pop()

Question 27

What is the default return value of a function that does not have a return statement?

Accepted Answer

None

Answer

0

Answer

False

Answer

" "(empty string)

Question 28

What will print("Hello"[::-1]) output?

Accepted Answer

olleH

Answer

Hello

Answer

H e l l o

Answer

SyntaxError

Question 29

Which of the following methods can be used to check if a key exists in a dictionary?

Accepted Answer

key in dict

Answer

dict.has_key(key)

Answer

dict.contains(key)

Answer

exists(dict, key)

Question 30

What will print(bool([])) output?

Accepted Answer

False

Answer

True

Answer

None

Answer

[]

Question 31

What will print(type(5.0)) output?

Accepted Answer

Answer

Answer

Answer

Question 32

output?

def test(x, y=[]):

y.append(x)

return y

print(test(1))

print(test(2))

Accepted Answer

[1], [1, 2]

Answer

[1], [2]

Answer

[1, 2], [1, 2]

Answer

[1, 2], [2]

Question 33

output:

print("Python"[2:5])

Accepted Answer

tho

Answer

yth

Question 34

def func(a, b=10):

return a + b

print(func(5))

Accepted Answer

15

Answer

5

Answer

10

Answer

Error

Question 35

What does print(list(range(3, 10, 2))) output?

Accepted Answer

[3, 5, 7, 9]

Answer

[3, 4, 5, 6, 7, 8, 9]

Answer

[3, 6, 9]

Answer

[3, 10]

Question 36

s = "abcdef"

print(s[:4] + s[4:])

Accepted Answer

abcdef

Answer

abcd ef

Answer

abcd

Answer

Error

Question 37

What will print("hello".capitalize()) output?

Accepted Answer

Hello

Answer

hello

Answer

HELLO

Answer

hELLO

Question 38

What will print("A B C".split()) output?

Accepted Answer

['A', 'B', 'C']

Answer

['A B C']

Answer

['A', ' B', ' C']

Answer

['A', '', 'B', '', 'C']

Question 39

. What does the following code output?

def f(x=[]):

x.append(1)

return x

print(f())

Accepted Answer

[1] [1, 1]

Answer

[1] [1]

Answer

[1, 1] [1]

Answer

[1, 1] [1, 1]

Question 40

What is the correct syntax for an if-else statement in Python?

Accepted Answer

if condition: ... elif condition: ... else:

Answer

if condition { } else { }

Answer

if condition: else:

Answer

if condition then ... else then ...

Question 41

x = 10

if x > 5:

print("A")

elif x > 8:

print("B")

else:

print("C")

Accepted Answer

A

Answer

B

Answer

C

Answer

No output

Question 42

Which statement about Python loops is true?

Accepted Answer

for loops require a predefined number of iterations

Answer

while loops always execute at least once

Answer

break exits the loop but continue stops the program

Answer

Python does not support for loops

Question 43

What does the else clause in a while loop do?

Accepted Answer

Executes if the loop condition becomes False naturally

Answer

Executes only if the loop is broken with break

Answer

Executes if the loop runs at least once

Answer

Executes before the loop starts

Question 44

. What will for i in "hello": print(i) output?

Accepted Answer

h on one line, then e, then l, etc.

Answer

h e l l o

Answer

hello

Answer

olleh

Question 45

Which of the following is NOT a valid way to iterate through a string?

Accepted Answer

while "hello": print("loop")

Answer

for char in "hello": print(char)

Answer

for i in range(len("hello")): print("hello"[i])

Answer

"hello".split() and iterating through the list

Question 46

What does range(3, 10, 2) produce?

Accepted Answer

[3, 5, 7, 9]

Answer

[3, 4, 5, 6, 7, 8, 9]

Answer

[3, 6, 9]

Answer

. [3, 10]

Question 47

What will print("hello".replace('l', 'L', 1)) output?

Accepted Answer

heLlo

Answer

heLLo

Answer

heLLo

Answer

Error

Question 48

def mystery(n):

if n == 1:

return 1

else:

return n * mystery(n - 1)

print(mystery(4))

Accepted Answer

24

Answer

10

Answer

15

Answer

12

Question 49

. x = 5

if x == 5 and not (x > 10 or x < 3):

print("A")

elif x < 10:

print("B")

else:

print("C")

Accepted Answer

B

Answer

A

Answer

C

Answer

A B

Question 50

How many times will the while loop execute

x = 0

while x < 10:

x += 2

print("Done")

Accepted Answer

5 times

Answer

10 times

Answer

infinite times

Answer

6 times

Question 51

What is the final value of count after execution?

count = 0

for i in range(4):

for j in range(i):

count += 1

print(count)

Accepted Answer

3

Answer

4

Answer

6

Answer

5

Question 52

for i in range(10, 0, -3):

print(i, end=" ")

Accepted Answer

10 7 4

Answer

10 8 6 4 2

Answer

10 9 8 7 6 5 4 3 2 1

Answer

10 7 4 1

failure

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