Python Programming Quiz

What is the primary purpose of the decimal module in Python?

• To perform faster arithmetic operations than standard floats.

• To handle financial calculations and ensure exact decimal representations.

• To convert numbers between different bases (binary, octal, hexadecimal).

• To provide advanced mathematical functions like trigonometry and logarithms.

What will be the output of the following Python code? from decimal import Decimal print(Decimal('0.3') + Decimal('0.2') == Decimal('0.6'))

• True

• False

• Error

• Machine dependent

To represent the fraction 3/4 accurately in Python, which of the following is the most appropriate?

• 0.75

• 3 / 4

• fractions.Fraction(3, 4)

• decimal.Decimal('0.75')

What is the result of fractions.Fraction(1, 3) + fractions.Fraction(1, 6)?

• fractions.Fraction(1, 2)

• fractions.Fraction(2, 9)

• 0.5

• fractions.Fraction(3, 18)

Which of the following is an incorrect way to create a Decimal object from a floating-point number in a way that might introduce precision issues?

• Decimal(0.1)

• Decimal('0.1')

• Decimal(str(0.1))

• None of these

What is the result of Decimal('1.200').normalize()?

• Decimal('1.200')

• Decimal('1.2')

• Decimal('1.20')

• Decimal('1.2e+0')

Which of the following is a valid way to create a Money object?

• my_money = Money(10, "USD")

• my_money = Money("10", "USD")

• my_money = Money(10 USD)

• my_money = Money(amount=10, currency="USD")

What is the correct way to create a complex number in Python?

• complex(real, imaginary)

• real + imaginary_i

• real + imaginaryj

• complex_number(real, imaginary)

Which of the following functions in the random module returns a floating-point number between 0.0 (inclusive) and 1.0 (exclusive)?

• randint()

• randrange()

• random()

• uniform()

Which function is used to randomly select a single element from a non-empty sequence (like a list or tuple)?

• random.sample()

• random.shuffle()

• random.choice()

• random.choices()