Please enable JavaScript to use CodeHS

SC FCS: I.4

  1. Frameworks
  2. South Carolina Fundamentals of Computing

CodeHS Lessons

Write code that uses variables, events, functions, operators (i.e. arithmetic, relational, logical), conditional control structures (e.g., if, if-else) and repetition/iteration control structures (e.g., while, for).

Introduction to Computer Science in JavaScript (Golden)
Standard
1.9 For Loops
1.10 If Statements
1.11 If/Else Statements
1.12 While Loops in Karel
1.13 Control Structures Example
2.1 Challenge Problems
3.2 Variables
3.4 Basic Math in JavaScript
5.1 Booleans
5.2 Logical Operators
5.3 Comparison Operators
5.4 If Statements
5.5 For Loops in JavaScript
5.6 General For Loops
5.7 For Loop Practice
5.8 Random Numbers
5.9 While Loops
5.10 Loop and a Half
7.1 Functions and Parameters 1
7.2 Functions and Parameters 2
7.3 Functions and Parameters 3
7.4 Functions and Return Values 1
7.5 Functions and Return Values 2
9.5 Mouse Events: Mouse Clicked

Intro to Computer Science in Python
Standard
2.4 For Loops
2.8 Functions
2.11 Variables
2.13 Parameters
2.14 Using i in For Loops
2.15 Extended Loop Control
2.16 If Statements
2.17 If/ Else Statements
2.18 While Loops
2.19 Putting Together Control Structures
3.2 Variables and Types
4.2 If Statements
5.1 While Loops
5.2 For Loops
5.4 Nested Control Structures
6.1 Functions
6.2 Functions and Parameters
7.4 Strings and For Loops
8.3 For Loops and Lists
10.1 Project: Guess the Word
13.1 Advanced Challenges with Tracy
16.1 Project: Who Said It?

AP Computer Science Principles in Python
Standard
33.4 Strings and For Loops
29.1 Project: Who Said It?

Computing Ideas (Lovelace)
Standard
13.11 Variables
13.4 For Loops
13.8 Functions
13.13 Parameters
13.14 Using i in For Loops
13.15 Extended Loop Control
13.16 If Statements
13.17 If/ Else Statements
13.18 While Loops
13.19 Putting Together Control Structures

Web Development
Standard
9.2 Variables
9.4 Basic Math in JavaScript
9.5 Booleans
9.6 Logical Operators
9.7 Comparison Operators
9.8 If Statements
9.9 For Loops in JavaScript
9.10 For Loop Practice
9.11 Random Numbers
9.12 While Loops
9.13 Loop and a Half
9.14 Functions and Parameters 1
9.15 Functions and Parameters 2
9.16 Functions and Return Values 1
9.17 Functions and Return Values 2

Fundamentals of Cybersecurity
Standard
4.3 Looping
4.4 Branching
21.1 Challenge Problems
22.1 Booleans
22.2 Logical Operators
22.3 Comparison Operators
22.4 If Statements
22.5 For Loops in JavaScript
22.6 General For Loops
22.7 For Loop Practice
22.8 Random Numbers
22.9 While Loops
22.10 Loop and a Half

Intro to Python with Tracy
Standard
2.2 For Loops
3.3 Functions
4.1 Variables
4.3 Parameters
4.4 Using i in For Loops
4.5 Extended Loop Control
5.1 If Statements
5.2 If/ Else Statements
5.3 While Loops
6.1 Putting Together Control Structures

Creative Computing (MS)
Standard
3.4 For Loops
3.8 Functions
3.11 Variables
3.13 Parameters
3.14 Using i in For Loops
3.15 Extended Loop Control
3.16 If Statements
3.17 If/ Else Statements
3.18 While Loops
3.19 Putting Together Control Structures

Creative Computing (HS)
Standard
3.2 Variables
3.4 Basic Math in JavaScript
6.11 Variables
6.4 For Loops
6.8 Functions
6.13 Parameters
6.14 Using i in For Loops
6.15 Extended Loop Control
6.16 If Statements
6.17 If/ Else Statements
6.18 While Loops
6.19 Putting Together Control Structures

Data Science
Standard
7.11 For Loops
7.14 Functions
7.15 Functions and Parameters

Introduction to Artificial Intelligence
Standard
6.3 For Loops and Lists

Introduction to Physical Computing with micro:bit
Standard
1.4 Variables
2.1 For Loops
2.2 While Loops
2.3 Operators
2.4 If/Else Statements
2.5 Functions
3.1 micro:bit Challenges

Introduction to Physical Computing with Arduino
Standard
1.4 Variables
2.1 Loops
2.2 If/Else Statements
2.3 Arithmetic, Comparison, and Logical Operators
2.4 Functions
3.1 Arduino Challenges

Foundations of Computer Science
Standard
2.10 For Loops
2.11 If Statements
2.12 If/Else Statements
2.13 While Loops in Karel
2.14 Control Structures Example
3.2 Challenge Problems
5.2 Variables
5.4 Basic Math in JavaScript
7.1 Booleans
7.2 Logical Operators
7.3 Comparison Operators
7.4 If Statements
7.5 For Loops in JavaScript
7.6 General For Loops
7.7 For Loop Practice
7.9 While Loops
7.10 Loop and a Half
9.1 Functions and Parameters 1
9.2 Functions and Parameters 2
9.3 Functions and Parameters 3
9.4 Functions and Return Values 1
9.5 Functions and Return Values 2
9.10 Mouse Events: Mouse Clicked

Tech Apps and Coding
Standard
1.4 For Loops
1.8 Functions
1.11 Variables
1.13 Parameters
1.14 Using i in For Loops
1.15 Extended Loop Control
1.16 If Statements
1.17 If/ Else Statements
1.18 While Loops
1.19 Putting Together Control Structures
3.4 Variables
15.1 micro:bit Challenges
14.5 Functions
14.4 If/Else Statements
14.3 Operators
14.2 While Loops
14.1 For Loops

Arizona Computer Science
Standard
2.10 For Loops
2.11 If Statements
2.12 If/Else Statements
2.13 While Loops in Karel
2.14 Control Structures Example
3.2 Challenge Problems
5.2 Variables
5.4 Basic Math in JavaScript
7.1 Booleans
7.2 Logical Operators
7.3 Comparison Operators
7.4 If Statements
7.5 For Loops in JavaScript
7.6 General For Loops
7.7 For Loop Practice
7.8 Random Numbers
7.9 While Loops
7.10 Loop and a Half
9.1 Functions and Parameters 1
9.2 Functions and Parameters 2
9.3 Functions and Parameters 3
9.4 Functions and Return Values 1
9.5 Functions and Return Values 2
9.10 Mouse Events: Mouse Clicked

Connecticut Foundations of Computer Science
Standard
2.10 For Loops
2.11 If Statements
2.12 If/Else Statements
2.13 While Loops in Karel
2.14 Control Structures Example
3.2 Challenge Problems
5.2 Variables
5.4 Basic Math in JavaScript
7.1 Booleans
7.2 Logical Operators
7.3 Comparison Operators
7.4 If Statements
7.5 For Loops in JavaScript
7.6 General For Loops
7.7 For Loop Practice
7.9 While Loops
7.10 Loop and a Half
9.1 Functions and Parameters 1
9.2 Functions and Parameters 2
9.3 Functions and Parameters 3
9.4 Functions and Return Values 1
9.5 Functions and Return Values 2
9.10 Mouse Events: Mouse Clicked

Connecticut Tech Apps and Coding
Standard
1.4 For Loops
1.8 Functions
1.11 Variables
1.13 Parameters
1.14 Using i in For Loops
1.15 Extended Loop Control
1.16 If Statements
1.17 If/ Else Statements
1.18 While Loops
1.19 Putting Together Control Structures
3.4 Variables
15.1 micro:bit Challenges
14.5 Functions
14.4 If/Else Statements
14.3 Operators
14.2 While Loops
14.1 For Loops

Delaware Foundations of Computer Science
Standard
2.10 For Loops
2.11 If Statements
2.12 If/Else Statements
2.13 While Loops in Karel
2.14 Control Structures Example
3.2 Challenge Problems
5.2 Variables
5.4 Basic Math in JavaScript
7.1 Booleans
7.2 Logical Operators
7.3 Comparison Operators
7.4 If Statements
7.5 For Loops in JavaScript
7.6 General For Loops
7.7 For Loop Practice
7.9 While Loops
7.10 Loop and a Half
9.1 Functions and Parameters 1
9.2 Functions and Parameters 2
9.3 Functions and Parameters 3
9.4 Functions and Return Values 1
9.5 Functions and Return Values 2
9.10 Mouse Events: Mouse Clicked

Delaware Tech Apps and Coding
Standard
1.4 For Loops
1.8 Functions
1.11 Variables
1.13 Parameters
1.14 Using i in For Loops
1.15 Extended Loop Control
1.16 If Statements
1.17 If/ Else Statements
1.18 While Loops
1.19 Putting Together Control Structures
3.4 Variables
15.1 micro:bit Challenges
14.5 Functions
14.4 If/Else Statements
14.3 Operators
14.2 While Loops
14.1 For Loops

Florida Computing Ideas
Standard
2.10 For Loops
2.11 If Statements
2.12 If/Else Statements
2.13 While Loops in Karel
2.14 Control Structures Example
3.2 Challenge Problems
6.2 Variables
6.4 Basic Math in JavaScript
9.1 Booleans
9.2 Logical Operators
9.3 Comparison Operators
9.4 If Statements
9.5 For Loops in JavaScript
9.6 General For Loops
9.7 For Loop Practice
9.8 Random Numbers
9.9 While Loops
9.10 Loop and a Half
11.1 Functions and Parameters 1
11.2 Functions and Parameters 2
11.3 Functions and Parameters 3
11.4 Functions and Return Values 1
11.5 Functions and Return Values 2
11.10 Mouse Events: Mouse Clicked

Georgia Introduction to Digital Technology
Standard
2.10 For Loops
2.11 If Statements
2.12 If/Else Statements
2.13 While Loops in Karel
2.14 Control Structures Example
3.2 Challenge Problems
5.2 Variables
5.4 Basic Math in JavaScript
17.10 Mouse Events: Mouse Clicked
17.5 Functions and Return Values 2
17.4 Functions and Return Values 1
17.3 Functions and Parameters 3
17.2 Functions and Parameters 2
17.1 Functions and Parameters 1
14.10 Loop and a Half
14.9 While Loops
14.8 Random Numbers
14.7 For Loop Practice
14.6 General For Loops
14.5 For Loops in JavaScript
14.4 If Statements
14.3 Comparison Operators
14.2 Logical Operators
14.1 Booleans

Hawaii EXS1300 Intro to Computer Science
Standard
2.10 For Loops
2.11 If Statements
2.12 If/Else Statements
2.13 While Loops in Karel
2.14 Control Structures Example
3.2 Challenge Problems
5.2 Variables
5.4 Basic Math in JavaScript
7.1 Booleans
7.2 Logical Operators
7.3 Comparison Operators
7.4 If Statements
7.5 For Loops in JavaScript
7.6 General For Loops
7.7 For Loop Practice
7.9 While Loops
7.10 Loop and a Half
9.1 Functions and Parameters 1
9.2 Functions and Parameters 2
9.3 Functions and Parameters 3
9.4 Functions and Return Values 1
9.5 Functions and Return Values 2
9.10 Mouse Events: Mouse Clicked

Hawaii EXS0100 Intro to Computer Science A
Standard
1.4 For Loops
1.8 Functions
1.11 Variables
1.13 Parameters
1.14 Using i in For Loops
1.15 Extended Loop Control
1.16 If Statements
1.17 If/ Else Statements
1.18 While Loops
1.19 Putting Together Control Structures
3.4 Variables
10.1 micro:bit Challenges
9.5 Functions
9.4 If/Else Statements
9.3 Operators
9.2 While Loops
9.1 For Loops

Indiana Computer Science I
Standard
1.9 For Loops
1.10 If Statements
1.11 If/Else Statements
1.12 While Loops in Karel
1.13 Control Structures Example
2.1 Challenge Problems
4.2 Variables
4.4 Basic Math in JavaScript
6.1 Booleans
6.2 Logical Operators
6.3 Comparison Operators
6.4 If Statements
6.5 For Loops in JavaScript
6.6 General For Loops
6.7 For Loop Practice
6.8 Random Numbers
6.9 While Loops
6.10 Loop and a Half
8.1 Functions and Parameters 1
8.2 Functions and Parameters 2
8.3 Functions and Parameters 3
8.4 Functions and Return Values 1
8.5 Functions and Return Values 2
10.5 Mouse Events: Mouse Clicked

Iowa Tech Apps and Coding
Standard
1.4 For Loops
1.8 Functions
1.11 Variables
1.13 Parameters
1.14 Using i in For Loops
1.15 Extended Loop Control
1.16 If Statements
1.17 If/ Else Statements
1.18 While Loops
1.19 Putting Together Control Structures
3.4 Variables
15.1 micro:bit Challenges
14.5 Functions
14.4 If/Else Statements
14.3 Operators
14.2 While Loops
14.1 For Loops

Iowa Foundations of Computer Science
Standard
2.10 For Loops
2.11 If Statements
2.12 If/Else Statements
2.13 While Loops in Karel
2.14 Control Structures Example
3.2 Challenge Problems
5.2 Variables
5.4 Basic Math in JavaScript
7.1 Booleans
7.2 Logical Operators
7.3 Comparison Operators
7.4 If Statements
7.5 For Loops in JavaScript
7.6 General For Loops
7.7 For Loop Practice
7.9 While Loops
7.10 Loop and a Half
9.1 Functions and Parameters 1
9.2 Functions and Parameters 2
9.3 Functions and Parameters 3
9.4 Functions and Return Values 1
9.5 Functions and Return Values 2
9.10 Mouse Events: Mouse Clicked

Maryland Computer Science I
Standard
2.10 For Loops
2.11 If Statements
2.12 If/Else Statements
2.13 While Loops in Karel
2.14 Control Structures Example
3.2 Challenge Problems
5.2 Variables
5.4 Basic Math in JavaScript
7.1 Booleans
7.2 Logical Operators
7.3 Comparison Operators
7.4 If Statements
7.5 For Loops in JavaScript
7.6 General For Loops
7.7 For Loop Practice
7.8 Random Numbers
7.9 While Loops
7.10 Loop and a Half
9.1 Functions and Parameters 1
9.2 Functions and Parameters 2
9.3 Functions and Parameters 3
9.4 Functions and Return Values 1
9.5 Functions and Return Values 2
9.10 Mouse Events: Mouse Clicked

Michigan Tech Apps and Coding
Standard
1.4 For Loops
1.8 Functions
1.11 Variables
1.13 Parameters
1.14 Using i in For Loops
1.15 Extended Loop Control
1.16 If Statements
1.17 If/ Else Statements
1.18 While Loops
1.19 Putting Together Control Structures
3.4 Variables
15.1 micro:bit Challenges
14.5 Functions
14.4 If/Else Statements
14.3 Operators
14.2 While Loops
14.1 For Loops

Michigan Foundations of Computer Science
Standard
2.10 For Loops
2.11 If Statements
2.12 If/Else Statements
2.13 While Loops in Karel
2.14 Control Structures Example
3.2 Challenge Problems
5.2 Variables
5.4 Basic Math in JavaScript
7.1 Booleans
7.2 Logical Operators
7.3 Comparison Operators
7.4 If Statements
7.5 For Loops in JavaScript
7.6 General For Loops
7.7 For Loop Practice
7.9 While Loops
7.10 Loop and a Half
9.1 Functions and Parameters 1
9.2 Functions and Parameters 2
9.3 Functions and Parameters 3
9.4 Functions and Return Values 1
9.5 Functions and Return Values 2
9.10 Mouse Events: Mouse Clicked

Montana Tech Apps and Coding
Standard
1.4 For Loops
1.8 Functions
1.11 Variables
1.13 Parameters
1.14 Using i in For Loops
1.15 Extended Loop Control
1.16 If Statements
1.17 If/ Else Statements
1.18 While Loops
1.19 Putting Together Control Structures
3.4 Variables
15.1 micro:bit Challenges
14.5 Functions
14.4 If/Else Statements
14.3 Operators
14.2 While Loops
14.1 For Loops

New Hampshire Foundations of Computer Science
Standard
2.10 For Loops
2.11 If Statements
2.12 If/Else Statements
2.13 While Loops in Karel
2.14 Control Structures Example
3.2 Challenge Problems
5.2 Variables
5.4 Basic Math in JavaScript
7.1 Booleans
7.2 Logical Operators
7.3 Comparison Operators
7.4 If Statements
7.5 For Loops in JavaScript
7.6 General For Loops
7.7 For Loop Practice
7.9 While Loops
7.10 Loop and a Half
9.1 Functions and Parameters 1
9.2 Functions and Parameters 2
9.3 Functions and Parameters 3
9.4 Functions and Return Values 1
9.5 Functions and Return Values 2
9.10 Mouse Events: Mouse Clicked

New Hampshire Tech Apps and Coding
Standard
1.4 For Loops
1.8 Functions
1.11 Variables
1.13 Parameters
1.14 Using i in For Loops
1.15 Extended Loop Control
1.16 If Statements
1.17 If/ Else Statements
1.18 While Loops
1.19 Putting Together Control Structures
3.4 Variables
15.1 micro:bit Challenges
14.5 Functions
14.4 If/Else Statements
14.3 Operators
14.2 While Loops
14.1 For Loops

New Jersey Computer Science
Standard
2.2 Variables
2.4 Basic Math in JavaScript

New Mexico Foundations of Computer Science
Standard
2.10 For Loops
2.11 If Statements
2.12 If/Else Statements
2.13 While Loops in Karel
2.14 Control Structures Example
3.2 Challenge Problems
5.2 Variables
5.4 Basic Math in JavaScript
7.1 Booleans
7.2 Logical Operators
7.3 Comparison Operators
7.4 If Statements
7.5 For Loops in JavaScript
7.6 General For Loops
7.7 For Loop Practice
7.9 While Loops
7.10 Loop and a Half
9.1 Functions and Parameters 1
9.2 Functions and Parameters 2
9.3 Functions and Parameters 3
9.4 Functions and Return Values 1
9.5 Functions and Return Values 2
9.10 Mouse Events: Mouse Clicked

New Mexico Tech Apps and Coding
Standard
1.4 For Loops
1.8 Functions
1.11 Variables
1.13 Parameters
1.14 Using i in For Loops
1.15 Extended Loop Control
1.16 If Statements
1.17 If/ Else Statements
1.18 While Loops
1.19 Putting Together Control Structures
3.4 Variables
15.1 micro:bit Challenges
14.5 Functions
14.4 If/Else Statements
14.3 Operators
14.2 While Loops
14.1 For Loops

Nevada Computer Science and Applications
Standard
3.4 For Loops
3.8 Functions
3.12 Variables
3.14 Parameters
3.15 Using i in For Loops
3.16 Extended Loop Control
3.17 If Statements
3.18 If/ Else Statements
3.19 While Loops
3.20 Putting Together Control Structures

Pennsylvania Tech Apps and Coding
Standard
1.4 For Loops
1.8 Functions
1.11 Variables
1.13 Parameters
1.14 Using i in For Loops
1.15 Extended Loop Control
1.16 If Statements
1.17 If/ Else Statements
1.18 While Loops
1.19 Putting Together Control Structures
3.4 Variables
15.1 micro:bit Challenges
14.5 Functions
14.4 If/Else Statements
14.3 Operators
14.2 While Loops
14.1 For Loops

Pennsylvania Foundations of Computer Science
Standard
2.10 For Loops
2.11 If Statements
2.12 If/Else Statements
2.13 While Loops in Karel
2.14 Control Structures Example
3.2 Challenge Problems
5.2 Variables
5.4 Basic Math in JavaScript
7.1 Booleans
7.2 Logical Operators
7.3 Comparison Operators
7.4 If Statements
7.5 For Loops in JavaScript
7.6 General For Loops
7.7 For Loop Practice
7.9 While Loops
7.10 Loop and a Half
9.1 Functions and Parameters 1
9.2 Functions and Parameters 2
9.3 Functions and Parameters 3
9.4 Functions and Return Values 1
9.5 Functions and Return Values 2
9.10 Mouse Events: Mouse Clicked

South Carolina Fundamentals of Computing
Standard
3.10 For Loops
3.11 If Statements
3.12 If/Else Statements
3.13 While Loops in Karel
3.14 Control Structures Example
4.2 Challenge Problems
6.2 Variables
6.4 Basic Math in JavaScript
12.10 Mouse Events: Mouse Clicked
12.5 Functions and Return Values 2
12.4 Functions and Return Values 1
12.3 Functions and Parameters 3
12.2 Functions and Parameters 2
12.1 Functions and Parameters 1
10.10 Loop and a Half
10.9 While Loops
10.8 Random Numbers
10.7 For Loop Practice
10.6 General For Loops
10.5 For Loops in JavaScript
10.4 If Statements
10.3 Comparison Operators
10.2 Logical Operators
10.1 Booleans

Texas Computer Science 1
Standard
2.9 For Loops
2.10 If Statements
2.11 If/Else Statements
2.12 While Loops in Karel
2.13 Control Structures Example
3.2 Challenge Problems
5.2 Variables
5.4 Basic Math in JavaScript
7.1 Booleans
7.2 Logical Operators
7.3 Comparison Operators
7.4 If Statements
7.5 For Loops in JavaScript
7.6 General For Loops
7.7 For Loop Practice
7.8 Random Numbers
7.9 While Loops
7.10 Loop and a Half
9.1 Functions and Parameters 1
9.2 Functions and Parameters 2
9.3 Functions and Parameters 3
9.4 Functions and Return Values 1
9.5 Functions and Return Values 2
10.5 Mouse Events: Mouse Clicked

Virginia Computer Science Foundations
Standard
2.9 For Loops
2.10 If Statements
2.11 If/Else Statements
2.12 While Loops in Karel
2.13 Control Structures Example
3.2 Challenge Problems
5.2 Variables
5.4 Basic Math in JavaScript
7.1 Booleans
7.2 Logical Operators
7.3 Comparison Operators
7.4 If Statements
7.5 For Loops in JavaScript
7.6 General For Loops
7.7 For Loop Practice
7.8 Random Numbers
7.9 While Loops
7.10 Loop and a Half
9.1 Functions and Parameters 1
9.2 Functions and Parameters 2
9.3 Functions and Parameters 3
9.4 Functions and Return Values 1
9.5 Functions and Return Values 2
9.10 Mouse Events: Mouse Clicked

Washington Foundations of Computer Science
Standard
2.10 For Loops
2.11 If Statements
2.12 If/Else Statements
2.13 While Loops in Karel
2.14 Control Structures Example
3.2 Challenge Problems
5.2 Variables
5.4 Basic Math in JavaScript
7.1 Booleans
7.2 Logical Operators
7.3 Comparison Operators
7.4 If Statements
7.5 For Loops in JavaScript
7.6 General For Loops
7.7 For Loop Practice
7.9 While Loops
7.10 Loop and a Half
9.1 Functions and Parameters 1
9.2 Functions and Parameters 2
9.3 Functions and Parameters 3
9.4 Functions and Return Values 1
9.5 Functions and Return Values 2
9.10 Mouse Events: Mouse Clicked

Washington Tech Apps and Coding
Standard
1.4 For Loops
1.8 Functions
1.11 Variables
1.13 Parameters
1.14 Using i in For Loops
1.15 Extended Loop Control
1.16 If Statements
1.17 If/ Else Statements
1.18 While Loops
1.19 Putting Together Control Structures
3.4 Variables
15.1 micro:bit Challenges
14.5 Functions
14.4 If/Else Statements
14.3 Operators
14.2 While Loops
14.1 For Loops

Introduction to Computer Science in JavaScript (Bulldog)
Standard
1.9 For Loops
1.10 If Statements
1.11 If/Else Statements
1.12 While Loops in Karel
1.13 Control Structures Example
2.1 Challenge Problems
3.2 Variables
3.4 Basic Math in JavaScript
5.1 Booleans
5.2 Logical Operators
5.3 Comparison Operators
5.4 If Statements
5.5 For Loops in JavaScript
5.6 General For Loops
5.7 For Loop Practice
5.8 Random Numbers
5.9 While Loops
5.10 Loop and a Half
7.1 Functions and Parameters 1
7.2 Functions and Parameters 2
7.3 Functions and Parameters 3
7.4 Functions and Return Values 1
7.5 Functions and Return Values 2
9.5 Mouse Events: Mouse Clicked

Introduction to Computer Science (Collie)
Standard
1.9 For Loops
1.10 If Statements
1.11 If/Else Statements
1.12 While Loops in Karel
1.13 Control Structures Example
2.1 Challenge Problems
3.2 Variables
3.4 Basic Math in JavaScript
5.1 Booleans
5.2 Logical Operators
5.3 Comparison Operators
5.4 If Statements
5.5 For Loops in JavaScript
5.6 General For Loops
5.7 For Loop Practice
5.8 Random Numbers
5.9 While Loops
5.10 Loop and a Half
7.1 Functions and Parameters 1
7.2 Functions and Parameters 2
7.3 Functions and Parameters 3
7.4 Functions and Return Values 1
7.5 Functions and Return Values 2