Section 17.8 Chapter Summary
This chapter included the following concepts from computing.
-
Abstraction - Abstractions in code are things that allow us to focus on the big picture - like
drawSquare
instead of the details required to actually do the job. -
Argument - An actual parameter is a value passed into a procedure or function when it is called. In
forward(50)
the actual parameter is 50. This is also called an actual parameter. -
Call - You can call or run a procedure or function by using the name of the procedure or function followed by values to pass into the procedure or function. An example is
forward(50)
. This is also known as executing or running a procedure or function. -
Define - You can define a new procedure or function in Python using the
def
keyword. -
Execute - Execute means to run or call a procedure or function.
-
Formal Parameter - A formal parameter is named input in the definition of a procedure or function. This is also called a parameter.
-
Function - A function is a named set of instructions that returns a result. An example is the
abs(num)
which returns the absolute value of the num. -
Library - A library is a named group of related procedures and functions. An example is the Turtle library.
-
Parameter - A parameter is input to a procedure or function that is named when you define the procedure or function. It will be assigned a value when you call the procedure or function. This is also called a formal parameter.
-
Procedure - A procedure is a named set of instructions that does not return a result, but can cause something to happen like the turtle
forward(amount)
procedure. -
Run - To run a procedure or function use the name of the procedure or function in your program. This is also known as calling or executing a procedure or function.
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