RosettaCodeData/Task/Loops-Nested/Icon/loops-nested-1.icon

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procedure main()
every !(!(L := list(10)) := list(10)) := ?20 # setup a 2d array of random numbers up to 20
every i := 1 to *L do{ # using nested loops
every j := 1 to *L[i] do{
writes(" ",L[i,j])
if L[i,j] = 20 then{
write()
break break
}
}
write()
}
end