Q:

Python program to extract unique elements in nested tuple

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mahmoud2506
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2022-05-23
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Example:

tuple = ("python", "includehelp", 43, 54.23)

Extracting unique elements in nested tuple

In this problem, we are given a list of tuples. In our program, we will be creating a tuple that will contain all the unique elements from the list of tuples.

Input:
[(4, 6, 9), (1, 5, 7), (3, 6, 7, 9)]

Output:
(4, 6, 9, 1, 5, 7, 3)

To extract all unique elements from the list of tuples, we will iterate over on the nested collection and create a unique collection. And if an element is not present in the unique collection add to it otherwise move forward.

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mahmoud2506
2022-05-23
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Method 1:

One method to solve the problem is by flattering the nested collection and then converting it to a set that will remove all duplicate values and then converting the set to a tuple to get the required result. The flattering is done using from_iterable() method of itertools.

# Python program to extract unique elements
# in nested tuple

from itertools import chain

# Initializing and tuple list of tuples 
tupList = [(4, 6, 9), (1, 5, 7), (3, 6, 7, 9)]

print("The list of tuples is " + str(tupList))

# Extracting Unique elements from the tuple 
uniqueVal = tuple(set(chain.from_iterable(tupList)))

print("All unique elements of the nested Tuples are " + str(uniqueVal))

Output:

The list of tuples is [(4, 6, 9), (1, 5, 7), (3, 6, 7, 9)]
All unique elements of the nested Tuples are (1, 3, 4, 5, 6, 7, 9)

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