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Python Methods and Functions
Method # 1: Using a nested loop + set()
The above 2 functionality can be used to solve this particular problem. In this, we iterate over each nested tuple and add to install if the element is encountered for the first time, and validate each element before adding.
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test_list = [( 3 , 4 , 5 ), ( 4 , 5 , 7 ), ( 1 , 4 )]
print ( "The original list:" + str (test_list))
res = [] temp = set () for inner in test_list: for ele in inner: if not ele in temp: temp.add (ele) res.append (ele)
print ( "Unique elements in nested tuples are: " + str (res)) |
Output:
The original list: [(3, 4, 5), (4, 5, 7), (1, 4 )] Unique elements in nested tuples are: [3, 4, 5, 7, 1]
Method # 2: Using set () + from_iterable ()
A combination of the above functions can be used to solve this problem. This is done in 2 steps, first we flatten the nested list and then find the differences with set () .
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from itertools import chain
test_list = [( 3 , 4 , 5 ), ( 4 , 5 , 7 ), ( 1 , 4 )]
print ( "The original list:" + str (test_list))
res = list ( set (chain.from_iterable (test_list)))
print ( "Unique elements in nested tuples are: " + str (res)) |
Output:
The original list: [(3, 4, 5), (4, 5, 7), (1, 4)] Unique elements in nested tuples are: [1, 3, 4, 5, 7]
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