RosettaCodeData/Task/Loops-Break/GAP/loops-break.gap

while true do
    a := Random(0, 19);
    Print(a);
    if a = 10 then
        Print("\n");
        break;
    fi;
    a := Random(0, 19);
    Print("\t", a, "\n");
od;

# 11      6
# 5       8
# 1       4
# 5       10
# 1       16
# 10