Python - Symmetric Difference of Multiple sets

# Python3 code to demonstrate working of
# Symmetric Difference of Multiple sets
# Using Counter() + chain.from_iterable() 
from collections import Counter
from itertools import chain
# initializing list
test_list = [{5, 3, 2, 6, 1},
             {7, 5, 3, 8, 2}, 
             {9, 3},
             {0, 3, 6, 7}]
             
# printing original list
print("The original list is : " + str(test_list))
# getting frequencies using Counter()
# from_iterable() flattens the list 
freq = Counter(chain.from_iterable(test_list))
# getting frequency count 1 
res = {idx for idx in freq if freq[idx] == 1}
# printing result
print("Symmetric difference of multiple list : " + str(res))

# Python3 code to demonstrate working of
# Symmetric Difference of Multiple sets
# Using Counter() + chain.from_iterable() + items()
from collections import Counter
from itertools import chain
# initializing list
test_list = [{5, 3, 2, 6, 1},
             {7, 5, 3, 8, 2}, 
             {9, 3}, {0, 3, 6, 7}]
             
# printing original list
print("The original list is : " + str(test_list))
# clubbing operations using items() to get items 
res = {key for key, val in Counter(chain.
                                   from_iterable(test_list)).
       items() if val == 1}
# printing result
print("Symmetric difference of multiple list : " + str(res))