3.2.9 sub
Description:
You can declare a subprogram to reuse parts of code when they are recurrently needed in your program.
A sub must be declared at before the program beging keyword and can't receive arguments as input (you can use global variable instead).
Declaration:
beginSub sub_name
...sub content...
endSub
Invocation:
sub sub_name
Example:
You can declare more than one sub as follows (before the begin keyword of your program!)
And then invoke it from your program:
