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Perform an action multiple times based on a boolean condition, checked before the first action (WHILE .. DO)
Starting with a variable x=1, Print the sequence 
perl
csharp
Submit a new solution for perl or csharp
There are 18 other solutions in additional languages (clojure, cpp, erlang, fantom ...)
"1,2,4,8,16,32,64,128," by doubling x and checking that x is less than 150.
my $x = 1;
while($x < 150) {
print $x, ",";
$x *=2
}
while($x < 150) {
print $x, ",";
$x *=2
}
int x = 1;
while (x < 150)
{
x *= 2;
Console.Write("{0},", x);
}
while (x < 150)
{
x *= 2;
Console.Write("{0},", x);
}
Submit a new solution for perl or csharp
There are 18 other solutions in additional languages (clojure, cpp, erlang, fantom ...)
