Notes in Level 4: Level 4.1 Data in Files & Arrays

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Status	Last Update	Fields
Published	05/03/2024	A temporary reference name/number assigned to a file being opened.
Published	05/03/2024	Command to open a file.
Published	05/03/2024	Similar to while, but used when you have a collection, object, list, or function to iterate through.
Published	05/03/2024	Command to close a file.output = open(''/Users/brianspiering/Desktop/spam'', 'w')
Published	05/03/2024	Method for splitting strings into multiple variables.
Published	05/03/2024	Example of splitting a string () into 4 separate variables.beatles = ('john, paul, george, ringo')
Published	05/03/2024	Take a string split into variables: firstName and lastName.my_name = "Foo Bar"
Published	05/03/2024	A data structure that allows you to group many pieces of data together under one variable name.
Published	05/03/2024	The array index operator.
Published	05/03/2024	Creates an empty array called my_stuff
Published	05/03/2024	An array example.
Published	05/03/2024	Prints the first item in an array called my_stuff.
Published	05/03/2024	Prints the second item in an array called my_stuff.s = ['computer','phone','wallet','sock puppet']
Published	05/03/2024	Adds the text string 'goat cheese' to an array called my_stuff.my_stuff = ['socks', 'shoes']
Published	05/03/2024	Adds the variable 'cash_money' to array my_stuff while converting it to a floating point number.cash_money = 700
Published	05/03/2024	Tells you how many times a value is in an array.How many hand are in body_parts?body_parts = ['hand','hand','head','penis']How many 3s do you have?my_…
Published	05/03/2024	Adds a list of items to an array.l = [1, 2, 3]more_items = [4,5]
Published	05/03/2024	Find location of 'brie'cheeses =  ['dubliner', 'brie', 'chedder']
Published	05/03/2024	Adds an item at any index location within an array.
Published	05/03/2024	Removes and returns the last array item.
Published	05/03/2024	Removes and returns the 1st array item.cheeses = ['bire', 'cheddar', 'white', 'yellow','dubliner']
Published	05/03/2024	Reverses the order of the array.my_numbers = [1,2,3,4]
Published	05/03/2024	Sorts the items in an array from low to high.['swiss', 'sharp', 'gouda', 'cheddar']
Published	05/03/2024	Sorts an array called cheeses from low to high.cheeses = ['chedder','brie','dubliner']
Published	05/03/2024	Reverses the order of items in an array called cheeses.cheeses = ['brie', 'chedder', 'dubliner']
Published	05/03/2024	Combine sort and reverse into one line of code to sort array 'cheeses' into order from highest to lowest.cheeses = ['bire', 'cheddar', 'white', 'yello…
Status	Last Update	Fields

Notes in Level 4: Level 4.1 Data in Files &amp; Arrays

Notes in Level 4: Level 4.1 Data in Files & Arrays