Python Quiz

What is the correct file extension for Python files?

Which of the following is a valid variable name in Python?

What is the output of the following code?

print(3 * "hi")

Which keyword is used to define a function in Python?

What will be the output of this code?
x = 5
y = "5"
print(x + int(y))


Which data type is mutable in Python?

What does this code do?
for i in range(3):
print(i)


Which operator is used for exponentiation in Python?

What is the output of type("Hello")?

Which of the following is NOT a Python data type?

Which of the following is a correct way to assign a value to a variable in Python?

What is the result of this code?

x = 3
x += 2
print(x)


Which of the following variables is written using snake_case?

Which of the following variables is written using snake_case?

What will this code output?
a = 5
b = a
a = 10
print(b)


Which keyword is used to declare a variable in Python?

What data type is the variable x after this code?
x = "10"


What is the value of x after this code runs?
x = 7
x = x + 3


Which of the following is NOT a valid variable name?

What will be the output of the following code?
x = 10
y = 5
print(x + y)


Which of the following is a correct way to assign a value to a variable in Python?

What is the result of this code?
x = "123"
print(type(x))


Which of the following is an immutable data type?

What will this code return?
x = {"a", "b", "c"}
print(type(x))


Which of these is a valid dictionary in Python?

What is the output of this code?

x = (1, 2, 3)
print(type(x))


What is the type of the variable x?
x = [1, 2, 3]


Which data type is used to store multiple values in a single variable?

What is the data type of the value True?

Which of these is an example of a string in Python?

What happens when you try to print an undefined variable?
print(score)


Which of these will create an empty list?

What does this code do?
nums = [1, 2, 3]
nums.insert(1, 99)
print(nums)


How can you access the last item in a list?

What is the output of this code?
colors = ["red", "blue", "green"]
print(len(colors))


Which method removes the last item from a list?

What will be the result of this code?
numbers = [10, 20, 30, 40]
numbers[2] = 99
print(numbers)


How do you add an item to the end of a list?

What is the index of the first element in a Python list?

What is the output of this code?
fruits = ["apple", "banana", "cherry"]
print(fruits[1])


Which of the following creates a list in Python?

Which of the following is NOT true about tuples?

What does the index() method do in a tuple?

What is the result of this code?
t = (1, 2, 3, 4)
print(t[-1])


Which method is used to count how many times an item appears in a tuple?

How can you create a tuple with a single value 5?

Which function returns the number of items in a tuple?

What happens when you try to change a value in a tuple?
t = (1, 2, 3)
t[0] = 9


What is the output of this code?
t = (10, 20, 30)
print(t[1])


What is the main difference between a list and a tuple?

How do you create a tuple in Python?

What is the result of this code?
a = {1, 2}
b = {2, 3}
print(a & b)


Which method removes and returns a random element from a set?

What does clear() do in a set?

Which operation finds common elements between two sets?

What will be the result of this code?
a = {1, 2, 3}
b = {3, 4, 5}
print(a.union(b))


What does the discard() method do?

How do you add an element to a set?

What is the output of this code?
s = {1, 2, 2, 3}
print(s)


What is the main feature of a set in Python?

Which of the following creates a set in Python?

Which of the following defines a dictionary in Python?

What is a dictionary in Python?

Which method is used to get the value of a key without an error if the key doesn’t exist?

How do you add a new key-value pair to a dictionary?

What will this code print?
d = {"a": 1, "b": 2}
d["a"] = 3
print(d)


What does the keys() method return?

What is the output of this code?
d = {"x": 100, "y": 200}
print(len(d))


Which operator is used for "or" condition in Python?

What will be printed?

x = 5
if x != 5:
print("Not five")
else:
print("It is five")


What is the result of this code?

x = 10
if x > 5 and x < 15:
print("In range")


What does this code print?
x = 7
if x % 2 == 0:
print("Even")
else:
print("Odd")


What is the output of this code?
x = 3
if x > 5:
print("High")
elif x == 3:
print("Medium")
else:
print("Low")


What keyword is used to check multiple conditions after an if?

What is the output of this code

x = 10
if x > 5:
print("Big")
else:
print("Small")


Which of the following is a correct if statement in Python?

What is the result of this code?
d = {"name": "Bob", "age": 30}
print("age" in d)


Which method removes all items from a dictionary?

Which keyword is used to start a for loop in Python?

What is the output of this code?
for i in range(3):
print(i)


Which keyword starts a while loop in Python?

What does range(5) generate?

What is the output of this code?
for i in range(5):
if i == 3:
continue
print(i)


What is the output of this code?
for i in range(5):
if i == 3:
break
print(i)


What is the use of break in a loop?

How many times will this loop run?
x = 0
while x < 3:
print(x)
x += 1


Which of the following defines a function that takes two parameters?

What is the output of this code?
def greet():
print("Hello!")

greet()


Which keyword is used to define a function in Python?

What does this code print?
count = 0
while count < 2:
print("Hi")
count += 1


Which loop is better when the number of repetitions is unknown?

What is a function with no return value called?

What is the output of this code?
def add(a, b=5):
return a + b

print(add(3))


Which function call is correct for this definition?
def say_hello(name):
print("Hello", name)


What will this code output?
def square(x):
return x * x

print(square(4))


What does a return statement do in a function?

What does this code print?
from array import array
arr = array("i", [10, 20, 30])
print(arr[1])

What is the correct way to create an array of integers in Python using the array module?

Which Python module provides support for arrays?

Can a function return multiple values?

What is the scope of a variable declared inside a function?

Which method returns the index of a value in the array?

How do you remove an element from an array?

What will this code output?
from array import array
arr = array("i", [5, 6, 7])
arr.append(8)
print(arr)


Which method is used to add an element to an array?

What is the purpose of "i" in this line?
array("i", [1, 2, 3])