Guidelines For Debugging
v Try to avoid bugs by thinking through the design first.
v For big programs, test parts of it as you go.
v Some basic techniques:
o Stepping by hand through the program
o Adding “print” statements to get debugging output
o Using the Visual Basic debugger
v Often the error will be blindingly obvious.  If not, and
you’re having to spend some time finding it, here are
some additional suggestions: