Type Conversion and Built-in Functions Flashcards

What is the result of evaluating int("42") in Python?

Answer: 42 (an integer)

int() converts a valid string representation of a whole number to an integer, so int("42") returns the integer 42.

What does float("3.14") return in Python?

Answer: 3.14 (a float)

float() converts a valid string representation of a decimal number into a floating-point value, returning 3.14.

What is the result of str(100) in Python?

Answer: "100" (a string)

str() converts any value to its string representation, so str(100) returns the string "100".

What does bool(0) return in Python?

Answer: False

In Python, 0 is falsy, so bool(0) returns False.

What is the result of int(3.9) in Python?

Answer: 3 (truncates toward zero)

int() truncates the decimal portion toward zero, so int(3.9) returns 3, not 4.

What happens when you execute int("hello") in Python?

Answer: Raises a ValueError

int() raises a ValueError when given a string that cannot be interpreted as an integer.

Which of the following is the correct output of type(3.14) in Python?

Answer:

type() returns the class object itself, and its repr is for floating-point values.