Python: Hello world

Question 1

What is the output of the following code?

cool_number = 12 + 30
cool_number * 5
print(cool_number)

Answer 1

42

Question 2

What character begins a comment in Python?

Answer 2

#

Question 3

What number is saved to exponented_variable in the following expression?

exponented_variable = 2 ** 4

Answer 3

16

Question 4

How does one define a multi-line string in Python?

Answer 4

”””
Like
This
“””

Question 5

What is the value of modulo_variable in the following expression?

modulo_variable = 14 % 4

Answer 5

2

Question 6

Which of the following defined variables is a string?

cool_variable_1 = 23.18
cool_variable_2 = 9
cool_variable_3 = “Important Message!”
cool_variable_4 = 14 ** 3

Answer 6

cool_variable_3

Question 7

Which function outputs text to the terminal?

Answer 7

print()

Question 8

What happens when running the following code?

message = What a cool message!
print(message)

Answer 8

Python throws a SyntaxError because the string is not surrounded by quotes.

Question 9

What is the value of total_cost that gets printed?

total_cost = 5
total_cost += 10
print(total_cost)

Answer 9

15

Question 10

What is the difference between a float and an int?

Answer 10

A float represents decimal quantities. An int represents whole numbers.

Question 11

How do you combine two strings?

Answer 11

string1 + string2

Question 12

What is Python syntax for creating a variable and assigning the number 10 to it?

= or ==?

Answer 12

variable_name = 10