Notes in Level 5: Level 5.1 Hashes & Databases

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Status	Last Update	Fields
Published	05/03/2024	A variable with multiple indexed slots for holding data.
Published	05/03/2024	A variable that allows data to enter at one end of a collection and leave at the other end - like a train going through a tunnel i.e. first in, first …
Published	05/03/2024	A variable that has exactly 2 columns and potentially many rows of data.
Published	05/03/2024	What a hash is called in Python.
Published	05/03/2024	A variable that contains a collection of unique data items.
Published	05/03/2024	A variable that contains data arranged as a matrix of multiple dimensions.
Published	05/03/2024	Creates an empty Hash assigned to a variable called wines.
Published	05/03/2024	Adds data to existing Hash (wines) by describing association between Key (2013) and Value ('Cabernet').wines = {}
Published	05/03/2024	Prints the contents of a dictionary/hash called wines.
Published	05/03/2024	Returns a list of all keys used in a wines dictionary/hash
Published	05/03/2024	Returns the length (the number of items) of an object.my_face = 'long'
Published	05/03/2024	Returns the number of entries in the wines dictionary/hash.
Published	05/03/2024	A function that returns a new sorted list from iterable items. More useful than sort() and won't destroy original list.from random import  randin…
Published	05/03/2024	Outputs the value assoiceted with 2013 key in dictionary 'wines'
Status	Last Update	Fields

Notes in Level 5: Level 5.1 Hashes &amp; Databases