CSC108H5 Programming Flashcard Study Set Python

Exam practice

Program

A set of instructions that tells the computer what to do.

What do Python extension files end with?

.py extension

String

A string is a sequence of characters used to handle textual data.

Immutable

Immutable data types are data types that cannot be changed.

Immutable Data Types List

String, tuple, ints, floats, complex, bool

Mutable Data Types List

Lists, dictionaries, and sets.

Functions

Functions are blocks of reusable code when called.

DeMorgan’s Law Formula

not (a and b) == not a or not b
not (a or b) == not a and not b

Append Method Syntax Description

my_list.append(item)
my_list = List

item: Required; otherwise, you get an error!

What does .append() do in Python?

The .append() method is a built-in function that is used to add a single item to the very end of the list.

What does .extend() do in Python?

The list method .extend() is a built-in function that adds all the elements of an iterable such as a (string, set, tuple, or list) to the end of the current list.
It changes the original list in place and returns None.