حذف موارد تکراری از لیست تودرتو در پایتون

# Python3 code to demonstrate
# removing duplicate sublist
# using set() + sorted()
 
# initializing list
test_list = [[1, 0, -1], [-1, 0, 1], [-1, 0, 1],
                           [1, 2, 3], [3, 4, 1]]
 
# printing original list
print("The original list : " + str(test_list))
 
# using set() + sorted()
# removing duplicate sublist
res = list(set(tuple(sorted(sub)) for sub in test_list))
 
# print result
print("The list after duplicate removal : " + str(res))

# Python3 code to demonstrate
# removing duplicate sublist
# using set() + map() + sorted()
 
# initializing list
test_list = [[1, 0, -1], [-1, 0, 1], [-1, 0, 1],
                           [1, 2, 3], [3, 4, 1]]
 
# printing original list
print("The original list : " + str(test_list))
 
# using set() + map() + sorted()
# removing duplicate sublist
res = list(set(map(lambda i: tuple(sorted(i)), test_list)))
 
# print result
print("The list after duplicate removal : " + str(res))

# Python3 code to demonstrate
# removing duplicate sublist
 
# initializing list
test_list = [[1, 0, -1], [-1, 0, 1], [-1, 0, 1],
                        [1, 2, 3], [3, 4, 1]]
 
# printing original list
print("The original list : " + str(test_list))
 
# removing duplicate sublist
res1 = []
for i in test_list:
    x=sorted(i)
    res1.append(x)
res=[]
for i in res1:
    if tuple(i) not in res:
        res.append(tuple(i))
 
# print result
print("The list after duplicate removal : " + str(res))