# Ruby program to illustrate 
# the replace() method 
   
# requires the set 
require "set"
   
s1 = Set[1, 2]
s2 = Set[1, 2, 3] 
   
# replace method used 
puts s1.replace(s2) 
   
# s1 after replacement 
puts s1

Set: {1, 2, 3}
Set: {1, 2, 3}

# Ruby program to illustrate 
# the replace() method 
   
# requires the set 
require "set"
   
s1 = Set[4, 4]
s2 = Set[2, 12, 78, 87, 98] 
   
# replace method used 
puts s2.replace(s1) 
   
# s1 after replacement 
puts s2

Set: {4}
Set: {4}