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Procedures

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A procedure is a subroutine or a function that performs a specific operation. Values maybe passed as arguments into a procedure. A subroutine is a procedure that does not return a value. A function is a procedure that returns a value.

Syntax

{ variable

} identifier

(

{ expression {

expression }... }

)

Notes

variable	the variable to assign a value to.
identifier	the name of the procedure to perform.
expression	any expression to evaluate as a parameter to the procedure.

Example

value = input("Enter a number")
if value = "" then
    exit(0) 
end

print( abs( value ) )

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