The following program would ask the user to enter numbers when executed and the average of the numbers is shown as the output:
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$sum=0;
$count=0;
print"Enter number: ";
$num=<>;
chomp($num);
while($num>=0)
{
$count++;
$sum+=$num;
print"Enter another number: ";
$num=<>;
chomp($num);
}
print"$count numbers were entered\n";
if($count>0)
{
print"The average is ",$sum/$count,"\n";
}
exit(0);
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