NOTES

PYTHON

variables

represent a value with a variable- strings, lists, booleans, numbers determine the value of a variable by using an assignment

use equal sign to define a variable (with number, string, list, boolean) strings need quotations and lists need square brackets

you can use append for lists. mathematical functions can be performed on variables w numerical value

curly brackets and equal sign defines a dictionary

interchange variables by using a temporary variable

even function- can determine if variable is even or add- use variables with functions. use def to define function.

JAVASCRIPT

use var to assign variables using numbers can help with algabraic functions can also use const _ = value let __ = _

can also use string (letters that form words) list contains multiple data points

console log connects to data abstraction- data points can be pulled from lists

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DATA ABSTRACTION

provides seperation between abstract proprerties of a data type and the concrete details of its representation. manages complexity in programs by giving collection of data a name. makes it easier to implement, develop, maintain code. lists allow multiple related values to be treated as one value.

PYTHON

lists can be used to organize, maintain, develop related data

a list of students in a class would be under one variable- helps organize data and make less mistakes

you can further segregate a list using similar characteristics. you can also use this to organize data from apis and other resources. you can call and seperate and organize individual elements of a list by using a for loop split() splits a string into a list (default seperator is a white space) join() method takes all items iterable and joins them into a string.

albums = [
    ("Welcome to my Nightmare", "Alice Cooper", 1975,   # First album list
     [
         (1, "Welcome to my Nightmare"),
         (2, "Devil's Food"),
         (3, "The Black Widow"),
         (4, "Some Folks"),
         (5, "Only Women Bleed"),
     ]
     ),
    ("Bad Company", "Bad Company", 1974,   # Second album list
     [
         (1, "Can't Get Enough"),
         (2, "Rock Steady"),
         (3, "Ready for Love"),
         (4, "Don't Let Me Down"),
         (5, "Bad Company"),
         (6, "The Way I Choose"),
         (7, "Movin' On"),
         (8, "Seagull"),
     ]
     ),
    ("Nightflight", "Budgie", 1981,
     [
         (1, "I Turned to Stone"),
         (2, "Keeping a Rendezvous"),
         (3, "Reaper of the Glory"),
         (4, "She Used Me Up"),
     ]
     ),
    ("More Mayhem", "Imelda May", 2011,
     [
         (1, "Pulling the Rug"),
         (2, "Psycho"),
         (3, "Mayhem"),
         (4, "Kentish Town Waltz"),
     ]
     ),

]



album_id = int(input("album?"))
song_id = int(input("song?"))

print("playing \"{0}\" from album \"{1}\"".format(albums[album_id-1][3][song_id-1][1],albums[album_id-1][0]))

Playing "Pulling the Rug" from album "More Mayhem"

n = input() print("playing...." + albums[int(n)][0])

index = 0 while index < len(albums): print(albums[index][0][int(n)], albums[index][3][int(n)]) index += 0