# The upto method is a convenience method that does the same thing as a for loop # The Integer, String, and Date classes all have upto methods for i in 1..10 print i, " " end # => 1 2 3 4 5 6 7 8 9 10 # Compare this with upto, which does exactly the same thing: 1.upto(10) { |i| print i, " " } # => 1 2 3 4 5 6 7 8 9 10