Checkpoint 16.5.1.
Complete a table with four columns: line of code, variable name, value stored, and create or update.
Section 16.5 Review - Variables
Practice identifying variables, assigning values, updating variables, and tracking how variables change during program execution.
Subsection 16.5.1 Part A: Recognize
For each line of code below, identify the variable name, the value being stored, and whether the variable is being created or updated.
age = 18
name = "Mia"
age = age + 1
city = "Charlotte"
Subsection 16.5.2 Part B: Trace
Checkpoint 16.5.2.
score = 10
bonus = 5
score = score + bonus
bonus = 2
score = score + bonus
Subsection 16.5.3 Part C: Fix
Checkpoint 16.5.3.
The code below has an error. Update it so it runs correctly.
Checkpoint 16.5.4.
The code below has an error. Update it so it runs correctly.
Checkpoint 16.5.5.
The code below has an error. Update it so it runs correctly.
Subsection 16.5.4 Part D: Create
Checkpoint 16.5.6.
Write code that creates a variable named
temperature and stores the value 72. Then update temperature by adding 5. Create a variable named greeting storing “Hello”, and print both variables.
Subsection 16.5.5 Think About ...
Checkpoint 16.5.7.
In your own words, what is the difference between creating a variable and updating a variable?
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