Question 1

Which of the following is a valid float literal in Python?

Accepted Answer

$$3.5$$

Question 2

What will be the output of the following code?

speed = 60
timeElapsed = 2.5
distance = speed * timeElapsed
print(distance)

Accepted Answer

$$150.0$$

Question 3

Which of the following variable names is NOT valid in Python?

Accepted Answer

2ndValue

Question 4

Given the code below, what will be printed?

a = 5
b = 2
print(a // b, a % b)

Accepted Answer

$$2	ext{ }1$$

Question 5

Which of the following statements about Python variables is TRUE?

Accepted Answer

Variable names cannot be a reserved word.

Question 6

What is the result of the following expression in Python?

$$8 + 3 * 2 ** 2$$

Accepted Answer

$$22$$

Question 7

Which built-in function would you use to convert the float $$7.9 to $$the integer $$7 in $$Python?

Accepted Answer

int()

Question 8

A scientist records a measurement as $$2.5$$ and uses the round function in Python. What value will be returned by $$	ext{round}(2.5)$$?

Accepted Answer

$$2$$

Question 9

Which of the following statements about constants in Python is correct?

Accepted Answer

Constants are written in all uppercase letters by convention.

Question 10

What is the output of the following code?

num = 10
num += 5
num *= 2
print(num)

Accepted Answer

$$30$$

Question 11

A hospital records the temperature of a patient as $$-2.7$$ degrees Celsius. Which Python function will return $$2$$ when applied to this value?

Accepted Answer

int(-2.7)

Question 12

Which of the following will cause a syntax error in Python?

Accepted Answer

print(2; 3)

Question 13

A biologist wants to convert $$41$$ inches to feet and inches using Python. What is the correct way to calculate the number of feet?

Accepted Answer

feet = 41 // 12

Question 14

Which of the following is NOT a valid reason for a runtime error in Python?

Accepted Answer

Misspelling a reserved word.

Question 15

What is the output of the following code?

print(8 / 2, 8 // 2, 8 % 2)

Accepted Answer

$$4.0	ext{ }4	ext{ }0$$

Question 16

Which of the following best describes a logic (semantic) error in a Python program?

Accepted Answer

A program gives an answer, but it is not the expected one.

Question 17

A chemist enters the value $$1.2e3$$ into a Python program. What type will this value have?

Accepted Answer

float

Question 18

Which of the following statements about the print function in Python is TRUE?

Accepted Answer

The print function can display the result of evaluated expressions.

Question 19

A student writes the following code:

volume = 12 * literPerOunce
literPerOunce = 0.0296
print(volume)

What error will occur and why?

Accepted Answer

A runtime error because 'literPerOunce' is used before assignment.

Question 20

Which of the following best explains why using descriptive variable names is important in Python programming?

Accepted Answer

It helps other programmers understand the code.

Programming with Numbers in Python: Study Notes

Study Guide - Practice Questions

Study Guide - Flashcards