KS3 Computing (Years 7–9)

Python Basics: revision quiz and key terms

Free practice for Python Basics in KS3 Computing (Years 7–9). It covers: python basics: print, input, variables, data types, casting, operators, if/elif/else, loops, comments and errors. Try the questions, then check the key terms.

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Question 1 · Multiple choice

Sam writes age = input("Age? ") and wants to add 1 to the number typed. Which code does this correctly?

Question 2 · True or false?

Python ignores comments when it runs a program.

Question 3 · Multiple choice

How many times does the loop for i in range(5) run?

Question 4 · True or false?

In Python, 7 / 2 gives 3.

Question 5 · Multiple choice

Leo forgets the colon at the end of an if line. What type of error is this?

In RADevo, this topic has fill-in-the-blank, matching, multiple-choice and true or false activities, and every question you get wrong comes back in Revise today until you've learnt it.

Key terms for Python Basics

Boolean: A data type that can only hold True or False.
Indentation: Spaces at the start of a line that show which code belongs inside an if or a loop.
Integer division: The // operator, which divides and drops any remainder, so 7 // 2 gives 3.
Logic error: A mistake that lets the program run but makes it give the wrong result.
Modulus: The operator, written %, that gives the remainder after dividing.
print(): Shows text or values on the screen.
Selection: Choosing which code to run using if, elif and else.
while loop: Repeats code for as long as a condition stays True.

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