The function MID returns a string starting at start with the given length len of a string.
MID(string, start, len) => string
Example
A = "GC WIZARD"
PRINT MID(A, 4, 3)

The function MID returns a string starting at start with the given length len of a string.
MID(string, start, len) => string
A = "GC WIZARD"
PRINT MID(A, 4, 3)
