A special kind of variable defined in a function to receive specific information. “Parameter” and “argument” are often used interchangeably. In this course, we will use the term “argument”.

A command used to trigger or start an event or procedure in a program.

A set of steps to accomplish a task. An algorithm can be expressed in many kinds of notation, such as natural language, pseudocode, and flowcharts.

One of two values, such as true or false, that allows a computer to know what step in the conditional statement process to execute next.

Putting a function inside another function or a loop inside another loop. One method is contained within another one.

A symbol in code that tells a computer to perform a specific math operation, such as addition, subtraction, multiplication, or division.

A text-based language designed to emphasize code readability with a syntax that allows programmers to express concepts in fewer lines of code than possible in languages such as C++ or Java. (Python is a registered trademark of the Python Software Foundation.)

A navigational method used only in the absence of data from sensors , when the start and end position of the path is fixed.