# Table class
class Table
attr_reader :x, :y
def initialize(x = 5, y = 5)
@x = (0..(x - 1))
@y = (0..(y - 1))
end
# Valid Position method
# @params position [Object]
# @return Boolean
def valid_position?(position)
@x.cover?(position.x) && @y.cover?(position.y)
end
end