range1 = 1..5				# from 1 to 5 inclusive
range2 = Range.new(4, 10)	# from 4 to 10 inclusive
range3 = 'a'..'z'			# from a to z inclusive
range4 = 1...10				# from 1 to 10 excluding the last number (1 to 9)

# print the ranges for example
puts "[ #{range1.to_a.join( ', ' )} ]"
puts "[ #{range2.to_a.join( ', ' )} ]"
puts "[ #{range3.to_a.join( ', ' )} ]"
puts "[ #{range4.to_a.join( ', ' )} ]"

# iterating with ranges
range1.each do |x|
	puts x
end