# Python – Concatenate Maximum Tuples

• Last Updated : 04 Sep, 2022

Given a tuple list with string and its magnitude, the task is to write a python program to join all the strings with maximum magnitudes.

Examples:

Input : test_list = [(“Gfg is best”, 8), (“gfg is good”, 7), (“for”, 2), (“for all geeks”, 8)]

Output : “Gfg is best for all geeks”

Explanation : 8 is maximum tuple element and concatenation of keys yield the result.

Input : test_list = [(“Gfg is best”, 7), (“gfg is good”, 8), (“for”, 2), (“for all geeks”, 8)]

Output : “gfg is good for all geeks”

Explanation : 8 is maximum tuple element and concatenation of keys yield the result.

Method #1 : Using max() + itemgetter() + list comprehension + join()

In this, we perform task of getting maximum magnitude numbers using max(), itemgetter handles the index to query. The strings are joined by join() after matching using list comprehension.

## Python3

 `# Python3 code to demonstrate working of` `# Concatenate Maximum Tuples` `# Using max() + itemgetter() + list comprehension + join()` `from` `operator ``import` `itemgetter`   `# initializing list` `test_list ``=` `[(``"Gfg is best"``, ``8``), (``"gfg is good"``, ``7``),` `             ``(``"for"``, ``2``), (``"for all geeks"``, ``8``)]`   `# printing original list` `print``(``"The original list is : "` `+` `str``(test_list))`   `# getting maximum` `max_ele ``=` `max``(test_list, key``=``itemgetter(``1``))[``1``]`   `# joining maximum` `res ``=` `' '``.join([key ``for` `key, ele ``in` `test_list ``if` `ele ``=``=` `max_ele])`   `# printing result` `print``(``"The maximum concatenated strings : "` `+` `str``(res))`

Output:

The original list is : [(‘Gfg is best’, 8), (‘gfg is good’, 7), (‘for’, 2), (‘for all geeks’, 8)]

The maximum concatenated strings : Gfg is best for all geeks

Method #2 : Using filter() + max() + itemgetter()

In this, we perform task of filtering using filter() rather than list comprehension. Rest all the functionalities is similar to all the method.

## Python3

 `# Python3 code to demonstrate working of` `# Concatenate Maximum Tuples` `# Using filter() + max() + itemgetter()` `from` `operator ``import` `itemgetter`   `# initializing list` `test_list ``=` `[(``"Gfg is best"``, ``8``), (``"gfg is good"``, ``7``),` `             ``(``"for"``, ``2``), (``"for all geeks"``, ``8``)]`   `# printing original list` `print``(``"The original list is : "` `+` `str``(test_list))`   `# getting maximum` `max_ele ``=` `max``(test_list, key``=``itemgetter(``1``))[``1``]`   `# joining maximum` `# filter checks for maximum values and concats` `res ``=` `" "``.join([ele[``0``]` `                ``for` `ele ``in` `filter``(``lambda` `ele: ele[``1``] ``=``=` `max_ele, test_list)])`   `# printing result` `print``(``"The maximum concatenated strings : "` `+` `str``(res))`

Output:

The original list is : [(‘Gfg is best’, 8), (‘gfg is good’, 7), (‘for’, 2), (‘for all geeks’, 8)]

The maximum concatenated strings : Gfg is best for all geeks

Method #3 : Using max() and for loop

## Python3

 `# Python3 code to demonstrate working of` `# Concatenate Maximum Tuples`   `# initializing list` `test_list ``=` `[(``"Gfg is best"``, ``8``), (``"gfg is good"``, ``7``),` `            ``(``"for"``, ``2``), (``"for all geeks"``, ``8``)]`   `# printing original list` `print``(``"The original list is : "` `+` `str``(test_list))` `x``=``[]` `for` `i ``in` `test_list:` `    ``x.append(i[``1``])` `ma``=``max``(x)` `res``=``[]` `for` `i ``in` `test_list:` `    ``if` `ma ``in` `i:` `        ``res.append(i[``0``])` `res``=``" "``.join(res)`   `# printing result` `print``(``"The maximum concatenated strings : "` `+` `str``(res))`

Output

```The original list is : [('Gfg is best', 8), ('gfg is good', 7), ('for', 2), ('for all geeks', 8)]
The maximum concatenated strings : Gfg is best for all geeks```

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