Year 10 - Computing
List methods
Programming: strings and lists
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This pupil-friendly study guide includes a unit summary, clear notes, common mistakes, and quick questions with answers.
Unit Summary
This unit introduces pupils to string-handling techniques, they will explore how a string can be iterated over using a loop and sliced to create substrings. Pupils will be introduced to arrays and lists and explore the differences between the two. They will manipulate with a variety of list methods.
Lesson Summary
You will learn to use a list to return multiple values from a function.
Key Notes
- List methods can be use to alter the contents of a list.
- A function returns a value.
- Sometimes you need a function to return more than one value.
- A list is a method that you can use to return more than one value from a function.
Vocabulary To Learn
- append: add an item to the end of a list
- insert: add an item to a given position in a list
- pop: remove an item from a given index in a list
- count: counting the number of occurrences of a given item
Common Mistakes To Avoid
- A function can only ever return one value.
3 Quick Questions (With Answers)
1. Describe the system or process from this lesson in clear steps.
List methods can be use to alter the contents of a list. A function returns a value.
2. Define this computing term and give one practical example. 'append'
add an item to the end of a list. Add one real device or system example to prove understanding.
3. Correct this common computing misconception.
Mistake: A function can only ever return one value. Correction: A list can be used to return multiple values from a function.
More Lessons In This Unit
Browse all guides in the Year 10 Computing guide library.