using srand

gistfile1.rb

srand(1)
 => 42920506317323317837762064960942154151 # This is the previous value of srand
3.times { puts "-> #{a.sample}"}
-> k
-> s
-> a
srand(2)
 => 1 # This is the previous value of srand
3.times { puts "-> #{a.sample}"}
-> l
-> a
-> o
 => 3 
srand(1)
 => 2 # This is the previous value of srand
3.times { puts "-> #{a.sample}"}
-> k
-> s
-> a
 => 3 
srand(2)
 => 1 
3.times { puts "-> #{a.sample}"}
-> l
-> a
-> o
 => 3