Need help

Hi i want to make that when i write "print" after that i write the text what i want to see in my msg box and it write only that line where is print and it don't show text "print"
its like

print Hello World!
Other code

and then you see msgbox where it say Hello World! and it dont sho the print command or any other line just that first line that have a print command.
I really need help with this.