Comments:[] Anything past the hash tag sign on the same line is a comment. number = 10 # Assign digit 10 to a number. Anything included between the =begin and =end is also considered a comment. The =begin or =end must start in the first column. =begin This is comment ... =end Variables:[] Local Variables:[] Local variables exist only within the current programming block. number1 = 10 # A simple in