PCEP PCEP Numeric Types and Arithmetic 2

Question 1

What is the output of `abs(-15)`?

Accepted Answer

15

Answer

`abs()` returns the absolute value of a number, which is always non-negative.

Question 2

Which of the following is a valid Python complex number literal?

Accepted Answer

3+4j

Answer

Python uses `j` (not `i`) as the imaginary unit; `3+4j` is a valid complex literal.

Question 3

What does `int(3.9)` return?

Accepted Answer

3

Answer

`int()` truncates toward zero, discarding the fractional part, so `int(3.9)` gives 3.

Question 4

What is the result of `10 % 3`?

Accepted Answer

1

Answer

10 divided by 3 is 3 remainder 1, so the modulo operation returns 1.

Question 5

What is the output of `float('3.14')`?

Accepted Answer

3.14

Answer

`float()` converts a string representation of a decimal number to a float value.

(PCEP) Certified Entry-Level Python Programmer Practice Test