CS: Introduction to Python: Variables and Print Worksheet

Question 1

What will this Python code display? age = 12 print(age)

Accepted Answer

The code will display 12 because the variable age stores the value 12, and print(age) displays that value.

Question 2

Write one line of Python code that displays the message Hello, Python!

Accepted Answer

One correct line is print("Hello, Python!"). The quotation marks tell Python that the words are text.

Question 3

Write two lines of Python code. First, create a variable named favorite_color and store a color in it. Second, print the variable.

Accepted Answer

One correct answer is favorite_color = "blue" followed by print(favorite_color). This stores the text blue in the variable and then displays it.

Question 4

What will this Python code display? name = "Maya" print("Hi", name)

Accepted Answer

The code will display Hi Maya. The print() function displays the text "Hi" and then the value stored in the variable name.

Question 5

What will this Python code display? score = 10 score = score + 5 print(score)

Accepted Answer

The code will display 15 because score starts at 10 and then is updated by adding 5.

Question 6

Explain what a variable does in a Python program.

Accepted Answer

A variable stores a value so the program can use it later. The value can be text, a number, or another kind of data.

Question 7

Fix the error in this code so it displays the message Good morning. message = Good morning print(message)

Accepted Answer

The corrected code is message = "Good morning" followed by print(message). The words Good morning need quotation marks because they are text.

Question 8

Circle or list the valid Python variable names: 2score, score2, first_name, first name, class_count

Accepted Answer

The valid variable names are score2, first_name, and class_count. A variable name cannot start with a number and cannot contain a space.

Question 9

What will this Python code display? item = "stickers" count = 4 print(count, item)

Accepted Answer

The code will display 4 stickers. The print() function displays the value of count, then the value of item, with a space between them.

Question 10

Write Python code that stores the number 7 in a variable named apples and then displays I have 7 apples.

Accepted Answer

One correct answer is apples = 7 followed by print("I have", apples, "apples."). This uses commas in print() to combine text and the variable value.

Question 11

Write a short Python program that stores length = 6 and width = 3, calculates area, and prints the area.

Accepted Answer

One correct program is length = 6, width = 3, area = length * width, and print(area). The program displays 18 because 6 times 3 equals 18.

Question 12

What will this Python code display? x = 5 y = 2 print(x + y) print("x + y")

Accepted Answer

The first print() statement will display 7 because it adds the values of x and y. The second print() statement will display x + y because the expression is inside quotation marks.

Question 13

Explain the difference between a variable name and a variable value using this example: pet = "dog".

Accepted Answer

In the example pet = "dog", the variable name is pet and the variable value is "dog". The name is how the program refers to the stored value.

Question 14

Fill in the blanks to create a variable named city with the value Denver and then print it. _____ = "Denver" print(_____)

Accepted Answer

The completed code is city = "Denver" and print(city). The same variable name must be used in both lines.

Question 15

Find and fix the problem in this code. Name = "Jordan" print(name)

Accepted Answer

The problem is that Name and name are different variable names in Python because capitalization matters. One fix is Name = "Jordan" followed by print(Name).

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CS: Introduction to Python: Variables and Print

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