Function definition: syntax

def functionName(arg1,arg2,..,argn):

statement1

..

statementm

return varReturn1, varReturn2,..,varReturnl

with:

functionName: the name of the new function

arg1, arg2, ..., argn: input arguments

statement1, statement2,..,statementm: statements doing something with the inputs

varReturn1, varReturn2,...,varReturnl: variables returned by the function