A collection of predefined functions and values that can be imported into your program.

• Library
• Turtle Library
• Object
• Pixel

A library that defines a turtle object that can be used to draw shapes, lines, and colors.

• Library
• Turtle Library
• Object
• Pixel

A Python object contains variables, functions, and values that correspond to that particular version of the item.

• Library
• Turtle Library
• Object
• Pixel

A single dot on your computer screen. Computer screen resolutions are described in terms of how many pixels there are horizontally and vertically.

• Library
• Turtle Library
• Object
• Pixel

A statement that determines the sequence of instructions that a program executes. Programs may follow one branch or another depending on the result of the Boolean/conditional statement.

• Branch
• Condition
• "If" Statement
• "Else" Statement
• "Elif" Statement

A Boolean expression that evaluates to either True or False. Conditions can also just be the Boolean values True or False.

• Branch
• Condition
• "If" Statement
• "Else" Statement
• "Elif" Statement

A statement containing the word "if" followed by a Boolean/conditional expression and a colon. If the Boolean expression is true, the indented code following the "if" statement will be executed. If the Boolean expression is false, the indented code will not execute and the next non-indented instruction will be executed. The end of the "if" statement must have a colon and there must be at least one indented instruction after the "if" statement. "If" statements can be nested as long as the amount of indentation stays consistent. Each level of indentation is suggested to be one tab or 4 spaces.

• Branch
• Condition
• "If" Statement
• "Else" Statement
• "Elif" Statement

A statement that is directly after the set of indented code following an "if" statement. The indented code following the "else" statement will execute if the condition in the "if" statement is false.

• Branch
• Condition
• "If" Statement
• "Else" Statement
• "Elif" Statement

A statement that can be placed between an "if" statement and an "else" statement. The "elif" statement should contain a condition and a colon, just like the "if" statement. However, the "elif" statement is only executed if the previous "if" or "elif" condition is false. There can be numerous "elif" statements.

• Branch
• Condition
• "If" Statement
• "Else" Statement
• "Elif" Statement

A set of code that repeats while a certain condition is true. The loop will end when the condition becomes false.

• While Loop

• Iteration

• Iterator Variable

• Accumulator Variable

• Infinite Loop