Tricky Questions

What will be the output of the following Python code?

string1 = "Python"
string2 = "Python"
result = string1 is string2
print(result)

A:

True

B:

False

C:

This code will result in an error.

D:

Undefined

Answer: A

String interning in Python makes identical string literals refer to the same memory location.

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What is the output of the following Python code?

x = 5
y = 2
result = x / y
print(result)

A:

2.5

B:

2

C:

2.0

D:

This code will result in an error.

Answer: A

Division (/) in Python 3 returns a floating-point result.

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What is the output of the following Python code?

def some_function(x, y, z):
    return x + y ** z

result = some_function(x=1, y=2, z=3)
print(result)

A:

9

B:

7

C:

8

D:

1

Answer: A

The exponent has higher precedence than addition, so the result is 1 + (2 ** 3) = 9.

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What is the purpose of the is keyword in Python?

A:

It is used to compare values for equality.

B:

It is used to compare object identity.

C:

It is used to create instances of a class.

D:

It is used to define conditional statements.

Answer: B

The is keyword checks if two objects refer to the same memory location.

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What will be the output of the following Python code?

x = 0.1
y = 0.2
result = x + y
print(result)

A:

0.3

B:

0.30000000000000004

C:

0.2

D:

This code will result in an error.

Answer: B

Floating-point arithmetic may result in small precision errors, and the actual result is approximately 0.30000000000000004.

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