Please enable JavaScript to use CodeHS

NH: 3A-AP-14

CodeHS Lessons

Use lists to simplify solutions, generalizing computational problems instead of repeatedly using simple variables.

Standard
22.1 Intro to Sets
22.2 Intro to Grids
22.3 Looping Over a Grid
22.4 Grid Example: Get a Row
27.1 Game Design: Helicopter
20.1 Intro to Arrays
20.2 Adding & Removing from an Array
20.3 Iterating Through an Array
21.1 Intro to Objects
21.4 Iterating Through an Object
Standard
12.1 Tuples
12.2 Lists
12.3 For Loops and Lists
12.4 List Methods
13.1 2d Lists
13.2 List Comprehensions
13.3 Packing and Unpacking
13.4 Dictionaries
21.1 Classes and Objects
21.5 Class Variables vs. Instance Variables
19.1 Project: Who Said It?
Standard
27.1 Classes and Objects
27.5 Class Variables vs. Instance Variables
29.1 Project: Who Said It?
Standard
9.19 Intro to Lists/Arrays
9.20 Indexing Into an Array
9.21 Adding/Removing From an Array
9.22 Array Length and Looping Through Arrays
Standard
13.1 Intro to Arrays
13.2 Adding & Removing from an Array
13.3 Iterating Through an Array
14.1 Intro to Objects
14.4 Iterating Through an Object
16.1 Game Design: Helicopter
22.1 Intro to Sets
22.2 Intro to Grids
22.3 Looping Over a Grid
22.4 Grid Example: Get a Row
Standard
13.1 Intro to Arrays
13.2 Adding & Removing from an Array
13.3 Iterating Through an Array
14.1 Intro to Objects
14.4 Iterating Through an Object
16.1 Game Design: Helicopter
20.1 Intro to Sets
20.2 Intro to Grids
20.3 Looping Over a Grid
20.4 Grid Example: Get a Row
Standard
22.1 Intro to Sets
22.2 Intro to Grids
22.3 Looping Over a Grid
22.4 Grid Example: Get a Row
25.1 Game Design: Helicopter
20.1 Intro to Arrays
20.2 Adding & Removing from an Array
20.3 Iterating Through an Array
21.1 Intro to Objects
21.4 Iterating Through an Object
Standard
6.1 Tuples
6.2 Lists
6.3 For Loops and Lists
6.4 List Methods
6.5 2d Lists
6.6 Dictionaries
Standard
7.1 Writing BlackJack
Standard
9.1 Tuples
9.2 Lists
9.3 For Loops and Lists
9.4 List Methods
10.1 2d Lists
10.2 List Comprehensions
10.3 Packing and Unpacking
10.4 Dictionaries
10.5 Equivalence vs. Identity
14.1 Classes and Objects
14.5 Class Variables vs. Instance Variables
Standard
22.1 Game Design: Helicopter
Standard
9.11 Intro to Lists/Arrays
9.12 Adding/Removing From an Array
9.13 Array Length and Looping Through Arrays
9.14 Iterating Over an Array
16.1 Indexing Into an Array
16.2 Finding an Element in a List
16.3 Removing an Element From an Array
17.1 Intro to Objects/Maps
17.2 Basics of Objects
17.3 Iterating Over an Object
17.4 When Do I Use an Object?
17.5 Intro to Sets
17.6 Intro to Grids
17.7 Looping Over a Grid
17.8 Grid Example: Get a Row
17.9 Data Structures Challenges
Standard
5.2 Introduction to Arrays
5.3 Using Arrays
5.5 ArrayList Methods
5.6 Arrays vs ArrayLists
5.8 The List Interface
5.9 2D Arrays (Matrices or Grids)
5.11 HashMaps
5.12 Binary
6.1 Writing BlackJack
10.1 Final Project
Standard
25.10 Iterating Over an Object
21.1 Evolution Simulation
27.1 Game Design: Helicopter
25.16 Data Structures Challenges
25.15 Grid Example: Get a Row
25.14 Looping Over a Grid
25.13 Intro to Grids
25.12 Intro to Sets
25.11 When Do I Use an Object?
25.1 Intro to Lists/Arrays
25.9 Basics of Objects
25.8 Intro to Objects/Maps
25.7 Removing an Element From an Array
25.6 Finding an Element in a List
25.5 Iterating Over an Array
25.4 Array Length and Looping Through Arrays
25.3 Adding/Removing From an Array
25.2 Indexing Into an Array
Standard
12.1 Intro to Lists/Arrays
12.2 Indexing Into an Array
12.3 Adding/Removing From an Array
12.4 Array Length and Looping Through Arrays
12.5 Iterating Over an Array
12.6 Finding an Element in a List
12.7 Removing an Element From an Array
12.8 Intro to Objects/Maps
12.9 Basics of Objects
12.10 Iterating Over an Object
12.11 When Do I Use an Object?
12.12 Intro to Sets
12.13 Intro to Grids
12.14 Looping Over a Grid
12.15 Grid Example: Get a Row
12.16 Data Structures Challenges
14.1 Game Design: Helicopter
24.1 Evolution Simulation
Standard
21.10 Iterating Over an Object
16.1 Evolution Simulation
23.1 Game Design: Helicopter
21.16 Data Structures Challenges
21.15 Grid Example: Get a Row
21.14 Looping Over a Grid
21.13 Intro to Grids
21.12 Intro to Sets
21.11 When Do I Use an Object?
21.1 Intro to Lists/Arrays
21.9 Basics of Objects
21.8 Intro to Objects/Maps
21.7 Removing an Element From an Array
21.6 Finding an Element in a List
21.5 Iterating Over an Array
21.4 Array Length and Looping Through Arrays
21.3 Adding/Removing From an Array
21.2 Indexing Into an Array
Standard
8.1 Tuples
8.2 Lists
8.3 For Loops and Lists
8.4 List Methods
9.1 2d Lists
9.2 List Comprehensions
9.3 Packing and Unpacking
9.4 Dictionaries
9.5 Equivalence vs. Identity
12.1 Classes and Objects
12.5 Class Variables vs. Instance Variables
16.1 Project: Who Said It?
Standard
14.13 Intro to Lists/Arrays
14.14 Indexing Into an Array
14.15 Adding/Removing From an Array
14.16 Array Length and Looping Through Arrays
Standard
9.2 Introduction to Arrays
9.3 Using Arrays
9.5 ArrayList Methods
9.6 Arrays vs ArrayLists
9.8 The List Interface
9.9 2D Arrays
9.11 HashMaps
9.12 Binary
Standard
9.11 Intro to Lists/Arrays
9.12 Adding/Removing From an Array
9.13 Array Length and Looping Through Arrays
9.14 Iterating Over an Array
16.1 Indexing Into an Array
16.2 Finding an Element in a List
16.3 Removing an Element From an Array
17.1 Intro to Objects/Maps
17.2 Basics of Objects
17.3 Iterating Over an Object
17.4 When Do I Use an Object?
17.5 Intro to Sets
17.6 Intro to Grids
17.7 Looping Over a Grid
17.8 Grid Example: Get a Row
17.9 Data Structures Challenges
Standard
10.12 Intro to Lists/Arrays
10.13 Adding/Removing From an Array
10.14 Array Length and Looping Through Arrays
10.15 Iterating Over an Array
13.1 Indexing Into an Array
13.2 Finding an Element in a List
13.3 Removing an Element From an Array
14.1 Intro to Objects/Maps
14.2 Basics of Objects
14.3 Iterating Over an Object
14.4 When Do I Use an Object?
14.5 Intro to Sets
14.6 Intro to Grids
14.7 Looping Over a Grid
14.8 Grid Example: Get a Row
14.9 Data Structures Challenges
Standard
10.1 Tuples
10.2 Lists
10.3 For Loops and Lists
10.4 List Methods
11.1 2d Lists
11.2 List Comprehensions
11.3 Packing and Unpacking
11.4 Dictionaries
11.5 Equivalence vs. Identity
18.1 Project: Who Said It?
Standard
10.11 Intro to Lists/Arrays
10.12 Adding/Removing From an Array
10.13 Array Length and Looping Through Arrays
10.14 Iterating Over an Array
17.1 Indexing Into an Array
17.2 Finding an Element in a List
17.3 Removing an Element From an Array
18.1 Intro to Objects/Maps
18.2 Basics of Objects
18.3 Iterating Over an Object
18.4 When Do I Use an Object?
18.5 Intro to Sets
18.6 Intro to Grids
18.7 Looping Over a Grid
18.8 Grid Example: Get a Row
18.9 Data Structures Challenges
Standard
9.11 Intro to Lists/Arrays
9.12 Adding/Removing From an Array
9.13 Array Length and Looping Through Arrays
9.14 Iterating Over an Array
16.1 Indexing Into an Array
16.2 Finding an Element in a List
16.3 Removing an Element From an Array
17.1 Intro to Objects/Maps
17.2 Basics of Objects
17.3 Iterating Over an Object
17.4 When Do I Use an Object?
17.5 Intro to Sets
17.6 Intro to Grids
17.7 Looping Over a Grid
17.8 Grid Example: Get a Row
17.9 Data Structures Challenges
Standard
9.11 Intro to Lists/Arrays
9.12 Adding/Removing From an Array
9.13 Array Length and Looping Through Arrays
9.14 Iterating Over an Array
16.1 Indexing Into an Array
16.2 Finding an Element in a List
16.3 Removing an Element From an Array
17.1 Intro to Objects/Maps
17.2 Basics of Objects
17.3 Iterating Over an Object
17.4 When Do I Use an Object?
17.5 Intro to Sets
17.6 Intro to Grids
17.7 Looping Over a Grid
17.8 Grid Example: Get a Row
17.9 Data Structures Challenges
Standard
11.11 Intro to Lists/Arrays
11.12 Adding/Removing From an Array
11.13 Array Length and Looping Through Arrays
11.14 Iterating Over an Array
18.1 Indexing Into an Array
18.2 Finding an Element in a List
18.3 Removing an Element From an Array
19.1 Intro to Objects/Maps
19.2 Basics of Objects
19.3 Iterating Over an Object
19.4 When Do I Use an Object?
19.5 Intro to Sets
19.6 Intro to Grids
19.7 Looping Over a Grid
19.8 Grid Example: Get a Row
19.9 Data Structures Challenges
Standard
17.11 Intro to Lists/Arrays
19.1 Indexing Into an Array
17.12 Adding/Removing From an Array
17.13 Array Length and Looping Through Arrays
17.14 Iterating Over an Array
19.2 Finding an Element in a List
19.3 Removing an Element From an Array
20.1 Intro to Objects/Maps
20.2 Basics of Objects
20.3 Iterating Over an Object
20.4 When Do I Use an Object?
20.5 Intro to Sets
20.6 Intro to Grids
20.7 Looping Over a Grid
20.8 Grid Example: Get a Row
20.9 Data Structures Challenges
Standard
9.1 Tuples
9.2 Lists
9.3 For Loops and Lists
9.4 List Methods
9.5 2d Lists
12.1 List Comprehensions
12.2 Packing and Unpacking
12.3 Dictionaries
12.4 Equivalence vs. Identity
15.1 Classes and Objects
15.5 Class Variables vs. Instance Variables
17.1 Project: Who Said It?
Standard
9.11 Intro to Lists/Arrays
9.12 Adding/Removing From an Array
9.13 Array Length and Looping Through Arrays
9.14 Iterating Over an Array
16.1 Indexing Into an Array
16.2 Finding an Element in a List
16.3 Removing an Element From an Array
17.1 Intro to Objects/Maps
17.2 Basics of Objects
17.3 Iterating Over an Object
17.4 When Do I Use an Object?
17.5 Intro to Sets
17.6 Intro to Grids
17.7 Looping Over a Grid
17.8 Grid Example: Get a Row
17.9 Data Structures Challenges
Standard
29.9 Basics of Objects
32.1 Game Design: Helicopter
29.16 Data Structures Quiz
29.15 Grid Example: Get a Row
29.14 Looping Over a Grid
29.13 Intro to Grids
29.12 Intro to Sets
29.11 When Do I Use an Object?
29.10 Iterating Over an Object
29.1 Intro to Lists/Arrays
29.8 Intro to Objects/Maps
29.7 Removing an Element From an Array
29.6 Finding an Element in a List
29.5 Iterating Over an Array
29.4 Array Length and Looping Through Arrays
29.3 Adding/Removing From an Array
29.2 Indexing Into an Array
Standard
33.10 Iterating Over an Object
29.1 Evolution Simulation
35.1 Game Design: Helicopter
33.16 Data Structures Challenges
33.15 Grid Example: Get a Row
33.14 Looping Over a Grid
33.13 Intro to Grids
33.12 Intro to Sets
33.11 When Do I Use an Object?
33.1 Intro to Lists/Arrays
33.9 Basics of Objects
33.8 Intro to Objects/Maps
33.7 Removing an Element From an Array
33.6 Finding an Element in a List
33.5 Iterating Over an Array
33.4 Array Length and Looping Through Arrays
33.3 Adding/Removing From an Array
33.2 Indexing Into an Array
Standard
33.10 Iterating Over an Object
29.1 Evolution Simulation
35.1 Game Design: Helicopter
33.16 Data Structures Challenges
33.15 Grid Example: Get a Row
33.14 Looping Over a Grid
33.13 Intro to Grids
33.12 Intro to Sets
33.11 When Do I Use an Object?
33.1 Intro to Lists/Arrays
33.9 Basics of Objects
33.8 Intro to Objects/Maps
33.7 Removing an Element From an Array
33.6 Finding an Element in a List
33.5 Iterating Over an Array
33.4 Array Length and Looping Through Arrays
33.3 Adding/Removing From an Array
33.2 Indexing Into an Array
Standard
6.1 Tuples
6.2 Lists
6.3 For Loops and Lists
6.4 List Methods
6.5 2d Lists
6.6 Dictionaries
Standard
26.10 Iterating Over an Object
22.1 Evolution Simulation
28.1 Game Design: Helicopter
26.16 Data Structures Challenges
26.15 Grid Example: Get a Row
26.14 Looping Over a Grid
26.13 Intro to Grids
26.12 Intro to Sets
26.11 When Do I Use an Object?
26.1 Intro to Lists/Arrays
26.9 Basics of Objects
26.8 Intro to Objects/Maps
26.7 Removing an Element From an Array
26.6 Finding an Element in a List
26.5 Iterating Over an Array
26.4 Array Length and Looping Through Arrays
26.3 Adding/Removing From an Array
26.2 Indexing Into an Array
Standard
9.11 Intro to Lists/Arrays
9.12 Adding/Removing From an Array
9.13 Array Length and Looping Through Arrays
9.14 Iterating Over an Array
16.1 Indexing Into an Array
16.2 Finding an Element in a List
16.3 Removing an Element From an Array
17.1 Intro to Objects/Maps
17.2 Basics of Objects
17.3 Iterating Over an Object
17.4 When Do I Use an Object?
17.5 Intro to Sets
17.6 Intro to Grids
17.7 Looping Over a Grid
17.8 Grid Example: Get a Row
17.9 Data Structures Challenges
Standard
9.11 Intro to Lists/Arrays
9.12 Adding/Removing From an Array
9.13 Array Length and Looping Through Arrays
9.14 Iterating Over an Array
16.1 Indexing Into an Array
16.2 Finding an Element in a List
16.3 Removing an Element From an Array
17.1 Intro to Objects/Maps
17.2 Basics of Objects
17.3 Iterating Over an Object
17.4 When Do I Use an Object?
17.5 Intro to Sets
17.6 Intro to Grids
17.7 Looping Over a Grid
17.8 Grid Example: Get a Row
17.9 Data Structures Challenges
Standard
9.11 Intro to Lists/Arrays
9.12 Adding/Removing From an Array
9.13 Array Length and Looping Through Arrays
9.14 Iterating Over an Array
16.1 Indexing Into an Array
16.2 Finding an Element in a List
16.3 Removing an Element From an Array
17.1 Intro to Objects/Maps
17.2 Basics of Objects
17.3 Iterating Over an Object
17.4 When Do I Use an Object?
17.5 Intro to Sets
17.6 Intro to Grids
17.7 Looping Over a Grid
17.8 Grid Example: Get a Row
17.9 Data Structures Challenges
Standard
9.11 Intro to Lists/Arrays
9.12 Adding/Removing From an Array
9.13 Array Length and Looping Through Arrays
9.14 Iterating Over an Array
16.1 Indexing Into an Array
16.2 Finding an Element in a List
16.3 Removing an Element From an Array
17.1 Intro to Objects/Maps
17.2 Basics of Objects
17.3 Iterating Over an Object
17.4 When Do I Use an Object?
17.5 Intro to Sets
17.6 Intro to Grids
17.7 Looping Over a Grid
17.8 Grid Example: Get a Row
17.9 Data Structures Challenges
Standard
9.11 Intro to Lists/Arrays
9.12 Adding/Removing From an Array
9.13 Array Length and Looping Through Arrays
9.14 Iterating Over an Array
16.1 Indexing Into an Array
16.2 Finding an Element in a List
16.3 Removing an Element From an Array
17.1 Intro to Objects/Maps
17.2 Basics of Objects
17.3 Iterating Over an Object
17.4 When Do I Use an Object?
17.5 Intro to Sets
17.6 Intro to Grids
17.7 Looping Over a Grid
17.8 Grid Example: Get a Row
17.9 Data Structures Challenges
Standard
7.2 Introduction to Arrays
7.3 Using Arrays
7.5 ArrayList Methods
7.6 Arrays vs ArrayLists
7.8 The List Interface
7.9 2D Arrays
7.11 HashMaps
7.12 Binary
Standard
10.1 Intro to Lists/Arrays
10.2 Indexing Into an Array
10.3 Adding/Removing From an Array
10.4 Array Length and Looping Through Arrays
10.5 Iterating Over an Array
10.6 Finding an Element in a List
10.7 Removing an Element From an Array
10.9 Data Structures Quiz
11.2 Intro to Sets
11.3 Intro to Grids
11.4 Looping Over a Grid
11.5 Grid Example: Get a Row
Standard
9.11 Intro to Lists/Arrays
9.12 Adding/Removing From an Array
9.13 Array Length and Looping Through Arrays
9.14 Iterating Over an Array
16.1 Indexing Into an Array
16.2 Finding an Element in a List
16.3 Removing an Element From an Array
17.1 Intro to Objects/Maps
17.2 Basics of Objects
17.3 Iterating Over an Object
17.4 When Do I Use an Object?
17.5 Intro to Sets
17.6 Intro to Grids
17.7 Looping Over a Grid
17.8 Grid Example: Get a Row
17.9 Data Structures Challenges
Standard
6.1 Classes and Objects
6.5 Class Variables vs. Instance Variables
13.1 Project: Who Said It?
Standard
6.1 Classes and Objects
6.5 Class Variables vs. Instance Variables
13.1 Project: Who Said It?
Standard
12.11 Intro to Lists/Arrays
18.1 Indexing Into an Array
12.12 Adding/Removing From an Array
12.13 Array Length and Looping Through Arrays
12.14 Iterating Over an Array
18.2 Finding an Element in a List
18.3 Removing an Element From an Array
19.1 Intro to Objects/Maps
19.2 Basics of Objects
19.3 Iterating Over an Object
19.4 When Do I Use an Object?
19.5 Intro to Sets
19.6 Intro to Grids
19.7 Looping Over a Grid
19.8 Grid Example: Get a Row
19.9 Data Structures Challenges
Standard
7.11 Intro to Lists/Arrays
7.12 Adding/Removing From an Array
7.13 Array Length and Looping Through Arrays
7.14 Iterating Over an Array
Standard
13.1 Intro to Arrays
13.2 Adding & Removing from an Array
13.3 Iterating Through an Array
Standard
9.11 Intro to Lists/Arrays
9.12 Adding/Removing From an Array
9.13 Array Length and Looping Through Arrays
9.14 Iterating Over an Array
16.1 Indexing Into an Array
16.2 Finding an Element in a List
16.3 Removing an Element From an Array
17.1 Intro to Objects/Maps
17.2 Basics of Objects
17.3 Iterating Over an Object
17.4 When Do I Use an Object?
17.5 Intro to Sets
17.6 Intro to Grids
17.7 Looping Over a Grid
17.8 Grid Example: Get a Row
17.9 Data Structures Challenges
Standard
9.11 Intro to Lists/Arrays
9.12 Adding/Removing From an Array
9.13 Array Length and Looping Through Arrays
9.14 Iterating Over an Array
16.1 Indexing Into an Array
16.2 Finding an Element in a List
16.3 Removing an Element From an Array
17.1 Intro to Objects/Maps
17.2 Basics of Objects
17.3 Iterating Over an Object
17.4 When Do I Use an Object?
17.5 Intro to Sets
17.6 Intro to Grids
17.7 Looping Over a Grid
17.8 Grid Example: Get a Row
17.9 Data Structures Challenges
Standard
13.19 Intro to Lists/Arrays
13.20 Indexing Into an Array
13.21 Adding/Removing From an Array
13.22 Array Length and Looping Through Arrays
Standard
4.1 Tuples
4.2 Lists
4.3 For Loops and Lists
4.4 List Methods
5.1 2d Lists
5.2 List Comprehensions
5.3 Packing and Unpacking
5.4 Dictionaries
8.1 Classes and Objects
8.5 Class Variables vs. Instance Variables
Standard
12.1 Tuples
12.2 Lists
12.3 For Loops and Lists
12.4 List Methods
13.1 2d Lists
13.2 List Comprehensions
13.3 Packing and Unpacking
13.4 Dictionaries
16.1 Classes and Objects
16.5 Class Variables vs. Instance Variables
Standard
4.1 Tuples
4.2 Lists
4.3 For Loops and Lists
4.4 List Methods
5.1 2d Lists
5.2 List Comprehensions
5.3 Packing and Unpacking
5.4 Dictionaries
9.1 Classes and Objects
9.5 Class Variables vs. Instance Variables
13.1 Project: Who Said It?
Standard
8.19 Intro to Lists/Arrays
8.20 Indexing Into an Array
8.21 Adding/Removing From an Array
8.22 Array Length and Looping Through Arrays
Standard
12.19 Intro to Lists/Arrays
12.20 Indexing Into an Array
12.21 Adding/Removing From an Array
12.22 Array Length and Looping Through Arrays
Standard
7.2 Introduction to Arrays
7.3 Using Arrays
7.5 ArrayList Methods
7.6 Arrays vs ArrayLists
7.8 The List Interface
7.9 2D Arrays (Matrices or Grids)
7.11 HashMaps
7.12 Binary
Standard
11.6 Intro to Lists/Arrays
11.7 Adding/Removing From an Array
11.8 Array Length and Looping Through Arrays
11.9 Iterating Over an Array