Answer:
It might be Output: I0 ..
I did searched but all I found is "An input/output statement or IO statement is a portion of a program that instructs a computer how to read and process information. It pertains to gather information from an input device, or sending information to an output device. Input, Output, Programming terms." Srry if it wrong ;-; but have a good day! ^^'
-thatLilWeeb