D335 Introduction to Programming in Python - Set 4 - Part 2

Test your knowledge of technical writing concepts with these practice questions. Each question includes detailed explanations to help you understand the correct answers.

Question 21: How do you check the length of a set in Python?

size(set)

count(set)

len(set)

length(set)

Question 22: Which operator is used for logical AND in Python?

and

Question 23: How do you create a dictionary with keys 'a', 'b', and 'c' and corresponding values 1, 2, and 3?

{'a': 1, 'b': 2, 'c': 3}

[('a', 1), ('b', 2), ('c', 3)]

dict(a=1, b=2, c=3)

Both a and c

Question 24: What is the output of print("Hello".replace("l", "x"))?

Hexxo

Hxxlo

Hello

HeXXo

Question 25: How do you remove duplicates from a list in Python?

remove_duplicates(list)

list.remove_duplicates()

list(set(list))

set(list)

Question 26: What is the correct way to check if a key exists in a dictionary?

if key in dict

if dict.has_key(key)

if dict.contains(key)

if dict.exists(key)

Question 27: What is the result of type(3.14) in Python?

int

float

double

decimal

Question 28: How do you iterate over the keys and values of a dictionary simultaneously?

for key, value in dict:

for key, value in dict.items():

for key in dict:

for value in dict:

Question 29: What is the difference between remove() and pop() for lists in Python?

remove() removes by value, pop() removes by index

remove() removes by index, pop() removes by value

Both remove by value

Both remove by index

Question 30: What does the zip() function do in Python?

Combines two or more lists into a dictionary

Combines elements from multiple iterables into tuples

Creates a compressed version of a file

Returns a list of sets

Question 31: How do you stop an infinite loop in Python?

continue

break

exit

stop

Question 32: What will be the output of print(bool([]))?

True

False

None

Error

Question 33: What is the function of the with statement in Python?

To create a new variable

To define a loop

To simplify the handling of exceptions

To ensure proper cleanup of resources

Question 34: What does the del keyword do in Python?

Deletes a file

Removes an item from memory

Stops the execution of a program

Deletes a variable or object

Question 35: Which operator is used for exponentiation in Python?

Question 36: What will be the result of print(3 + 2 * 2)?

Question 37: What is the default value of the step parameter in the range() function?

-1

None

Question 38: How do you check if a string contains only digits in Python?

isalpha()

isdigit()

isnumeric()

isdecimal()

Question 39: What is the output of print("ABCD"[1:3])?

ABC

BCD

Question 40: Which of the following is not a valid way to create a string in Python?

"Hello"

'Hello'

'''Hello'''

"Hello'

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