Nothing
`ran.exam` <-
function(Qbank)
{
ran1 = sample(1:length(Qbank) )
Q1 = list()
for(i in 1:length(ran1))
{
Q1[[i]] = Qbank[[ran1[i]]]
}
attr(Q1, "QBord")<-ran1
return(Q1)
}
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