Variables and Expressions

Question 1

Variable

Answer 1

Named item that holds a value

Question 2

Assignment Statement

Answer 2

Assigns a value to a variable

x = 5

Question 3

Incrementing

Answer 3

Increasing a variables value by 1

x = x + 1

Question 4

Identifier

Answer 4

Name that uses letters, underscores, and digits. Cannot start with a digit.

Question 5

Reserved Words

Answer 5

Part of the language and can’t be used as identifiers

aka Keywords

Question 6

PEP 8

Answer 6

Python Enhancement Proposal

Python style guide

Question 7

Object

Answer 7

Represents a value and is automatically created when interpreter executes a line of code

Question 8

Garbage Collection

Answer 8

Automatic process of deleting unused objects

Question 9

Name Binding

Answer 9

Process of associating names with interpreter objects. Happens with assignment statements.

Question 10

Mutability

Answer 10

Indicates whether the object’s value is allowed to change

Question 11

Identity

Answer 11

Unique numeric identifier of an object. Usually refers to memory address.

Question 12

Overflow

Answer 12

When value is too large to be stored in memory allocated by interpreter

Question 13

Expression

Answer 13

Combination of variables, literals, operators, and parentheses that evaluates to a value

Question 14

Literal

Answer 14

Specific value

2

Question 15

Operator

Answer 15

Symbol that performs a built-in calculation

+

Question 16

Compound Operator

Answer 16

Shorthand way to update a variable

+=, -=, *=, /=, %=

Question 17

Module

Answer 17

File containing Python code that can be used by other modules or scripts via an import statement.

Question 18

Dot Notation

Answer 18

FileName.VariableName