All Flashcards
How does AP Pseudocode index lists?
AP Pseudocode lists start at index 1.
Why is data abstraction useful?
It makes code neater, easier to edit, and simplifies element access.
How can strings be treated in relation to lists?
Strings are essentially ordered lists of characters.
Explain the concept of 'one-based' indexing.
Indexing starts at 1, not 0, for the first element in the list.
Give an example of data abstraction using lists.
Representing a to-do list as a single list variable instead of multiple individual string variables.
How can lists be used to store and manage student grades?
A list can hold all grades for a student, allowing easy calculation of average or identifying highest/lowest scores.
How can lists be used to store and manage inventory in a store?
Each item can be an element in a list, storing information like name, quantity, and price.
What is the output of the following code?
myList ← [10, 20, 30] print(myList[2])
20
Identify the error in the following code:
numbers ← [5, 10, 15] print(numbers[0])
AP Pseudocode list indices start at 1, not 0. Accessing index 0 will cause an error.
What is the output of the following code?
names ← [“Alice”, “Bob”, “Charlie”] print(names)
[“Alice”, “Bob”, “Charlie”]
What is the output of the following code?
word ← “HELLO” print(word[1])
H