metal = raw_input("enter metals:")
non_metal = raw_input("enter non-metals:")
list1 = metal.split(",")
list2 = non_metal.split(",")
tuple1 = tuple(list1)
tuple2 = tuple(list2)
print "metal:",tuple1
print "non-metal:",tuple2

99d522a0e8e2f6cbfdbbc4613ff82c4deac34b99
metal = raw_input("enter metals:")
non_metal = raw_input("enter non-metals:")
list1 = metal.split(",")
list2 = non_metal.split(",")
tuple1 = tuple(list1)
tuple2 = tuple(list2)
print "metal:",tuple1
print "non-metal:",tuple2
