rand()#that will give you a random float between 0 and 10
rand(num)#that will give you a random integer between 0 and the number num
rand(first...second)#that will give you a random
#integer between first and second

puts rand(25)	# from 0 to 25
puts rand(1..25)	# from 1 to 25
puts rand(5...25)	# from 1 to 24
puts rand(3.14..102.54) # from 3.14 to 102.54

min = 1
max = 100
random_number = rand(min..max)
puts random_number