Unit 2 Python

What will be the output of the following code?

x = 5

if x > 3:

print("Hello")

elif x > 2:

print("Hi")

else:

print("Bye")

• Hello

• Bye

• Hi

• Error

Answer explanation

The first if condition is True, so Hello is printed, and the elif and else blocks are skipped.

What is the correct syntax for a for loop in Python?

• for x in 10:

• for x = 0; x < 10; x++:

• for x range(10):

• for x in range(10);

Which of the following statements about while loops is correct?

• A while loop runs only once

• A while loop executes as long as the condition is True

• A while loop runs a fixed number of times

• A while loop cannot be used with else

Answer explanation

A while loop executes as long as the condition is True
Explanation: The while loop continues execution until the condition evaluates to False.

What will be the output of the following code?

for i in range(5):

if i == 3:

break

print(i)

• 0 1 2 3 4
  

• 0 1 2 3

• 0 1 2

• 1 2 3

Answer explanation

The break statement stops the loop when i == 3, so 3 and 4 are not printed.

What will be the output of the following code?

for i in range(5):

pass

print("Loop Completed")

• Loop Completed

• 0 1 2 3 4 Loop Completed

• Error

• None

Answer explanation

The pass statement does nothing and is used as a placeholder.

What is the purpose of an if statement in Python?

• To repeat a block of code

• To check a condition and execute code if it's True

• To stop the program

• To create a function

What will be the output of the following code?

x = 10

if x > 5:

print("Big number")

• Big number

• 10

• Error

• No output

1. What is the output of the following code?

for i in range(3):

if i == 1:

continue

print(i)

• 0 1 2

• 0 2

• 1 2

• 1 2 3

What does the range(5) function return?

• Numbers from 1 to 5

• Numbers from 0 to 5

• Numbers from 2 to 5

• Numbers from 0 to 4

What will be the output of the following code?

x = 5

if x > 3:

if x < 10:

print("A")

else:

print("B")

else:

print("C")

• A

• B

• Error

• None

Answer explanation

• x > 3 is True, so we go inside the first if block.

• x < 10 is also True, so "A" is printed.