Csc148 exam - Study guides, Class notes & Summaries

the only mutable types - ANSWER list and dictionaries and user defined classes Where is all data stored in? - ANSWER objects that have 3 components -> id, type and value What is special about id - ANSWER The id of an object is a unique identifier, meaning that no other object has the same identifier. difference between object and variable? - ANSWER a variable stores an object with value, id and type Variables are not objects because it doesn't store data but only storing the id. it REF...

An object has - ANSWER Unique ID, type, value A variable always stores a reference to an? - ANSWER object Does a variable have a type? - ANSWER No Equality of values vs equality of addresses - ANSWER (values: ==) (addresses: is)_ frame and call stack - ANSWER frame: data about a function call (including local variables) call stack: a collection of the frames of the function that are currently running. Function Call - ANSWER 1. A new frame is placed on top of the call stack. 2. Each parame...

composition - ANSWER a relationship between two classes where instances of one class contain references to instances of the other a 'has a' relationship representation invariants - ANSWER a property of the instance attribute that every instance of a class must satisfy - it is a post condition and a pre condition - initializer is responsible for initializing attributes such that the representation invariant isn't met

Parameter - ANSWER Variables in a functions parentheses Argument - ANSWER What we put in the parentheses when we are calling a function Local Variable - ANSWER Variables defined within a function Method - ANSWER A function within a class Function - ANSWER Not within a class

Immutable Types - ANSWER Strings, integers, boolean, tuples value stored in an object cant change Mutable Types - ANSWER Lists, dictionaries, user defined classes ID are changable Aliasing - ANSWER A circumstance where two or more variables refer to the same object. If you change one, the other will be changed

CSC148 Exam with Complete solutions (A Graded)

CSC148 Exam Study Guide Questions with Complete solutions (A Graded

CSC148 Exam Study Questions 2024 with Complete solutions (A Graded)

CSC148 Exam Study Questions with Complete solutions (A Graded