average (Math & String functions)
Compatible with: 
- Purpose
 - This command is similar to arithmetical average which calculates average on the list of numeric values provided.
 - Syntax
 - average(listOfValues, variableName)
 - Target
 - listOfValues - the list of numeric values whose average is to be calculated, separated by comma(,)
 - Value
 - variableName - the name of a variable in which the result is to be stored.
 - Return Value
 - N/A