Уникальные значения из разных списков

data = [[1, 2, 3, 4, 5], [2, 3, 4, 5, 6], [3, 4, 5, 6, 7]]
 
nums = sum(data, [])
result = [num for num in set(nums) if nums.count(num) == 1]
for num in result:
    for item in data:
        if num in item:
            print(num, item) # тут печать для примера
            break

arr = [    [1, 2, 3, 4, 5],
            [2, 3, 4, 5, 6],
            [3, 4, 5, 6, 7], ]
 
d = {}
for i in range(len(arr)):
    for j in range(len(arr[i])):
        d.setdefault(arr[i][j],[]).append(i)
res = [(k,v) for k,v in d.items() if len(v) == 1]
print(*res)

data = [{1, 2, 3, 4, 5}, {2, 3, 4, 5, 6}, {3, 4, 5, 6, 7}]
res,out = data[0]&data[1],[]
for i in range(len(data)):
    for j in range(i+1,len(data)):
        res |= data[i]&data[j]
 
out = [(list(x-res),z) for z,x in enumerate(data) if x-res]
print(out)

l1 = [1, 2, 3, 4, 5]
l2 = [2, 3, 4, 5, 6]
l3 = [3, 4, 5, 6, 7]
 
s1 = set(l1)
s2 = set(l2)
s3 = set(l3)
 
ll1 = s1 - s2 - s3
if len(ll1) > 0:
    print('list1:', *ll1)
 
ll2 = s2 - s1 - s3
if len(ll2) > 0:
    print('list1:', *ll2)
    
ll3 = s3 - s1 - s2
if len(ll3) > 0:
    print('list1:', *ll3)

arr = [[1, 2, 3, 4, 5],
       [2, 3, 4, 5, 6],
       [3, 4, 5, 6, 7]]
 
d = {}
for i, line in enumerate(arr):
    for item in line:
        d.setdefault(item, []).append(i)
 
res = [(k, v[0]) for k, v in d.items() if len(v) == 1]
print(*res)

arr = [
    {1, 2, 3, 4, 5},
    {2, 3, 4, 5, 6},
    {3, 4, 5, 6, 7},
]
 
for i, s in enumerate(arr):
    r = s.copy()
    for j, s2 in enumerate(arr):
        if i == j:
            continue
        r -= s2
    print(i, *r)