Chapter 9 - Definitions

Question 1

Define collection data type

Answer 1

A data type in which the values are made up of components, or elements that are themselves values

Question 2

Define default value

Answer 2

The value given to an optional parameter if no argument for it is provided in the function call

Question 3

Define dot notation

Answer 3

Use of the dot operation, “.”, to access functions inside a module, or too access methods and attributes of an object

Question 4

Define immutable data type

Answer 4

A data type whose values cannot be changed. Modifying functions create a totally new object that does not change the original one

Question 5

Define index

Answer 5

A variable or value used to select a member of an ordered collection, such as character from a string, or an element from a list

Question 6

Define optional parameter

Answer 6

A parameter written in a function header with an assignment to a default value which it will receive if no corresponding argument is given for it in the fun call

Question 7

Define slice

Answer 7

A part of a string (substring) specified by range of indices. More generally, a subsequence of any sequence type in Python can be created using the slice operator (sequence[start:stop])

Question 8

Define traverse

Answer 8

To iterate through the elements of a collection, performing a similar operation on each

Question 9

Define whitespace

Answer 9

Any of the characters that move the cursor without printing visible characters. The constant string.whitespace contains all the white-space characters.