To get more evidence, a police is trying to hack a criminal's computer. He finds a suspicious transaction file, but it is protected by a password. Than he find a text file which he thinks contain the needed password.
He says to himself : "What a fool to save the password here"
But, when he open the text file it is blank.
Help the police to reveal the hidden password.
I can not upload the blank text file,
So, please click edit question, and check the code between two dashes.