can anyone tell me what this means?

I don’t know what this means, all I know is that it will remove the white space from the right side but I don’t know what to put. Please help.

print $right = ltrim(" username "); print (“END”);

What will be printed?

If the first print works, it’ll print username END. ltrim doesn’t remove stuff from the end (or right side), it trims the front or left side.

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