We can use a for loop to iterate through each item in a tuple. Python xldate_as_tuple - 30 examples found. So if we want to access a range, we need the index that will slice the portion from the tuple. In this tutorials learn pythhon tuples, accessing, deleting with examples. Let us take an example of the tuple. 2 years ago. We can use len() to get the count of all the elements present inside the tuple: So there are total 4 elements in our tuple. cars content: ('maruti', 'kwid', 'ecosport'), count of maruti element: 2
Next possible error scenario would be if you give a non-integer value with tuple index in which case you will get TypeError. This example also shows nested tuple (tuples as data items in another tuple). And We then deconstruct the returned tuple in the Main method. If you need to use collections of objects that can be changed in the task, then for these cases you need to use lists. So you can use count() to check the number of occurrences of an item in a tuple. 1 Comment. (2, 4, 6, 8), (1, 2, 3, 4, 5, 6, 7, 8, 9)
You can rate examples to help us improve the quality of examples. "); (double Sum, int Count) d = (4.5, 3); Console.WriteLine($"Sum of {d.Count} elements is {d.Sum}. We can test if an item exists in a tuple or not, using the keyword in. We will add one more line to our existing example to get the largest element using max() The index of -1 refers to the last item, -2 to the second last item and so on. List comprehension along with zip () function is used to convert the tuples to list and create a list of tuples. This tutorial will explain Tuple in Python in simple terms with examples for your easy understanding. Python Tuples are the collection of multiple data like the list. Unlike lists, tuples are immutable. Syntax of constructing Python tuples. File "tuple-index.py", line 4, in
4. Although it is not mandatory, you can also create a tuple without using parenthesis. Example. Sr. No. See below example of it:- tup = [ ('lucky', '18.265'), ('nikhil', '14.107'), ('akash', '24.541'), ('anand', '4.256'), ('gaurav', '10.365')] print (sorted (tup)) 1 Example to count the number of times does a value exists in a tuple. As discussed above, we cannot change the elements in a tuple. Tuples. Creating a Tuple. So now our cars tuple contains new value at index position 1. For example, give tuple may represent an employee data with name, department, and age. Tuples that contain immutable elements can be used as a key for a dictionary. We can also repeat the elements in a tuple for a given number of times using the * operator. C# Tuple with Examples. Let us take an example of the tuple. Here you can see, that specific value present 4 times in our tuple. In this article, you'll learn everything about Python tuples. This is also the only bound method, as the syntax describes: tuple.count(element). Lists and tuples are arguably Python’s most versatile, useful data types.You will find them in virtually every nontrivial Python program. A tuple in Python is similar to a list. cars[1] = 'kwid'
An n-tuple would be one with an indeterminate or unspecified number of values. tuples = ('a', 'b', 'c', 'd', 'e') Following are the important differences between List and Tuple. The index must be an integer, so we cannot use float or other types. (4, 5, 6), (0, 1, 2, 3, 4, 5, 6, 7, 8, 9)
Tuple processing is faster than List. Here's an example of a tuple that emphasizes the different data types that may exist within a tuple data type: 17,*,2.49,Seven The above example is sometimes referred to as a 4-tuple, since it contains four values. (4, 5, 6, 7, 8), Traceback (most recent call last):
But, when we collectively consider, it can be identified as a detail of a student Anna in the Computer Science department who is 23 years old. Here’s what you’ll learn in this tutorial: You’ll cover the important characteristics of lists and tuples. Positive index means from left to right and negative index means right to left. The ‘ number ‘ would specify the number of elements to be clubbed into a single tuple to form a list. A tuple is formed by placing all the elements inside the parentheses (), separated by a comma. The parentheses are optional, however, it is a good practice to use them.A tuple can have any number of items and they may be of different types (integer, float, list, string, etc. Iterating over tuples is much faster than iterating over lists. what is std::tuple and why do we need it ? So out of all the items part of our numbers tuple, 90 is the largest while 12 is the smallest. Here also the the type of our variable is tuple, output from this script: The output version of a tuple will always be enclosed in parentheses, no matter which method you used to create it. We can use the index operator [] to access an item in a tuple, where the index starts from 0. let’s see the example of using multiple method to sort a tuple in python.. Use of sorted() method. While indexing allows you to access an individual element in a tuple, slicing allows you to access a subset, or a slice, of the tuple. But, when we collectively consider, it can be identified as a detail of a student Anna in the Computer Science department who is 23 years old. print(cars['2'])
You create a tuple by placing all of the comma-separated values in parentheses, (), So here our tuple is placed under parenthesis () which we can check using type(). Connections are everywhere—in a program, we combine things together (strings, ints). In this class, you’ll learn what a Python tuple is, what can you do with it and how to use it in programs. Tuples and Sequences¶ We saw that lists and strings have many common properties, such as indexing and slicing operations. And tuple can be considered as an item. There is only one 0-tuple, referred to as the empty tuple. Key List Tuple; 1: Type: List is mutable. We will add one more line to our existing example to get the largest element using max(). Linux, Cloud, Containers, Networking, Storage, Virtualization and many more topics, First car: maruti
As part of this article, we are going to discuss the following pointers which are related to Tuples in Python. [“Anna”, “Computer Science”, 23] Here, you can see that each object of this tuple is of the different data types. Use a tuple, for example, to store information about a person: their name, age, and location. Getting the first value in the first tuple would look like the following: var peterFirstname = tupleList[0].Item1;. std::make_tuple creates a std::tuple object by deducing the target types of elements in tuple from the types of arguments. As the example illustrates, it is possible to access the fields of the namedtuple by name using dotted notation (obj.attr) as well as using the positional indexes of standard tuples. We can join tuples just like two strings: So here we have combined numbers1 and numbers2 into a third tuple variable "total". In above examples, we concentrated on the increment value, but if we remove increment value from the syntax then we can just provide a start and stop value which will print only the values from the provided range: Here I would like to print the items between index value 4 and 7, output from this script: Similarly we can also use negative index value which we learned earlier: In this example we are using negative index value to access the tuple content between last index and 6th last value: As I mentioned in the table under comparison of different data types, tuples are immutable or in laymen terms unchangeable which means you cannot modify the content of tuple. List is a collection of items. [“Anna”, “Computer Science”, 23] Here, you can see that each object of this tuple is of the different data types. It is identical to a list, except it is immutable. One example would be the use of tuples as keys to dictionary entries (the key must not be changed). Tuple is a collection of values separated by comma and enclosed in parenthesis. A tuple is used to store a large number of values of any datatypes in one single variable. Learn more. An n-tuple is a sequence (or ordered list) of n elements, where n is a non-negative integer. If you try to access an index that is not in the tuple. Here in this python script example I am trying to access index value 2 of cars tuple but I have used single quote while providing the index value which will Python will read as string instead of integer. String, int and boolean data types: tuple1 = ("apple", "banana", "cherry") tuple2 = (1, 5, 7, 9, 3) tuple3 = (True, False, False) Try it Yourself ». Following is an example to initialize a list of tuples. Disponível em C# 7,0 e posterior, o recurso de tuplas fornece uma sintaxe concisa para agrupar vários elementos de dados em uma estrutura de dados leve. A tuple can have heterogeneous data items, a tuple can have string and list as data items as well. Creating a tuple in Python is a very easy process. For example, ["Sajal Chakraborty," "IT Professional," 32] can be a tuple where each value inside the tuple does not have any relation, but this whole set of values can have some meaning in the application. Second element of tuple will be assigned to variable b. ~]# python3 tuple-example-1.py count of maruti element: 2 ('maruti', 'jazz', 'ecosport', 'maruti') So we had two occurrences of maruti element in our cars tuple. The immutability can be considered as the identifying feature of tuples. And tuple can be considered as an item. 2,212 views Tuples can be used to store a finite sequence of homogeneous or heterogeneous data of fixed sizes and can be used to return multiple values from a method. Similar to min() we can use max() to access the largest item in the tuple. Tuple is immutable. CatInfo returns a 2-item ValueTuple. So, a tuple having 6 elements will have indices from 0 to 5. As expected, cars['2'] due to the single quote is considered as string which is not allowed with index value hence we get TypeError. In Python programming language, the tuple is similar to a list with the difference is that we cannot change the items of a tuple once it is assigned whereas, in the list, items can be modified. Python Tuple is a collection of Python objects separated by commas. For Example, [('Swordfish', 'Dominic Sena', 2001), ('Snowden', ' Oliver Stone', 2016), ('Taxi Driver', 'Martin Scorsese', 1976)] Above example contains tuples inside list which has a list of movies. With lists, this is not possible. Also, the use of tuples is important when the task needs to provide integrity support, that is, the tuple cannot be changed from another link. We Have A Tuple as t1=(1,3,5,6) There are four elements in it . Varun July 23, 2017 C++11 : std::tuple Tutorial & Examples 2017-07-23T16:06:46+05:30 C++ 11 3 Comments. We will primarily focus on the inbuilt function and sorting algorithm to achieve sorting of tuples. A tuple is used to store a large number of values of any datatypes in one single variable. A tuple can contain different data types: The sorted () function will sort a tuple and returns a tuple with the elements in a sorted manner, without modifying the original sequence (Will create new tuple). In python, to get the length of a tuple we will use len() method and it will return the number of items in a tuple. ).A tuple can also be created without using parentheses. Third car: ecosport, Last car: ecosport
This tutorial will explain Tuple in Python in simple terms with examples for your easy understanding. Tutorials, references, and examples are constantly reviewed to avoid errors, but we cannot warrant full correctness of all content. 1 Comment . I will explain the features of tuples and operations on them with examples. Example-3: Access the largest item in tuple. Tuple is a collection of values separated by comma and enclosed in parenthesis. nancy = ("nancy", 55, "chicago") Here’s how you’d write a function that returns a tuple. “*_” is used to specify the arbitrary number of arguments in the tuple. A tuple has multiple fields of different types. So we had two occurrences of maruti element in our cars tuple. Here, we set the start index to 1 (the second element of the tuple) and the increment to 2, so that it skips one element every time. Along with the various examples, we will also look at different methods by which we can achieve it. This is called concatenation. In this article, I am going to discuss Tuples in Python with examples.Please read our previous article where we discussed Lists in Python with examples. Example . A tuple can also be created without using parentheses. For Example, [('Swordfish', 'Dominic Sena', 2001), ('Snowden', ' Oliver Stone', 2016), ('Taxi Driver', 'Martin Scorsese', 1976)] Above example contains tuples inside list which has a list of movies. by Mike. Template parameters Types... A list of types used for the elements, in the same order as they are going to be ordered in the tuple. Defining and Using Tuples. A tuple is an ordered, immutable sequence. To unpack it, we can write: a,b,c,d=t1. dot net perls. I will explain the features of tuples and operations on them with examples. Here, we start at index zero (the first element of the tuple) and set the increment to 2, so that it skips one element every time. Reading data is simpler when tuples are stored inside a list. Slicing uses the slicing operator, :, and the general syntax is as follows: All of these parameters are optional, and this is how they work: In this example we will create a range of numbers from 0 to 10 wherein we will print only the even numbers. Here I have a tuple with a bunch of numbers: So our smallest element out of all the items in numbers tuple is 12. In python, a tuple is a collection of items that are ordered and immutable (unchangeable), tuples are written with round brackets “ ()” and it can contain mixed data types. Unlike lists, tuples are immutable. For example, we generally create tuple by using parentheses ( ) like: # Packing person_detail = ("Alex Smith", 34, "United States", "Colorado") Here, we packed person details containing name, age, country & state to a tuple named person_detail. As with lists, a tuple can contain elements of different types. This is known as tuple packing. 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Similar to min() we can use max() to access the largest item in the tuple. Below table shows a summary of the differences between each data types: A tuple consists of a number of individual values, separated by commas (just like lists). The paramount differences between tuples and lists are, tuples can not be changed unlike lists and tuples uses parentheses, on the other hand lists makes use of square brackets. Similarly we can create odd numbers from a range of numbers by slicing the tuple by using the default start index value i.e. To access values in tuple, use the square brackets for slicing along with the index or indices to obtain value available at that index. For example, give tuple may represent an employee data with name, department, and age. For example − When the above code is executed, it produces the following result − A tuple is created by placing all the items (elements) inside parentheses (), separated by commas. A tuple may also contain duplicate items unlike python sets. Since the tuple is a sequence of objects, let us take the tuple in the place of sequence in the above syntax and discuss a few examples to understand the python for loop tuple concept. Let us see the following example of different types of items in one tuple. 2.1 Example – Creating tuple. A tuple is a collection of several elements that may or may not be related to each other. Tuple: In the context of databases, a tuple is one record (one row). 2: Iteration: List iteration is slower and is time consuming. var nestedtuple_example = new Tuple your code
for syntax highlighting when adding code. It can be used where you want to have a data structure to hold an object with properties, but you don't want to create a separate type for it. List of Tuples in Python. We can access a range of items in a tuple by using the slicing operator colon :. (1, 3, 5, 7, 9), (0, 1, 2, 3, 4, 5, 6, 7, 8, 9)
Likewise, nested tuples are accessed using nested indexing, as shown in the example below. For example, inference from [string, ...Partial , number?] In this tutorial, we will learn how to initialize a list of tuples and some of the operations on this list of tuples. You can explicitly specify the names of tuple fields either in a tuple initialization expression or in the definition of a tuple type, as the following example shows: var t = (Sum: 4.5, Count: 3); Console.WriteLine($"Sum of {t.Count} elements is {t.Sum}. ('maruti', 'jazz', 'ecosport', 'maruti'), smallest element: 12
Mathematicians usually write tuples by listing the elements within parentheses "( )" and separated by commas; for example, (2, 7, 4, 1, 7) denotes a 5-tuple. Tuples can contain a mixture of other data types. In this tutorial we will learn about Python tuples data type. Second element of tuple will be assigned to variable b. With a ValueTuple, we can "deconstruct" a return value from a method. Since tuples are immutable, iterating through a tuple is faster than with list. We can use + operator to combine two tuples. For each positive instance (sentence-relation-argument tuple), we sample two negative instances by replacing the relation with different relations (uniformly chosen at random). "); The new syntax for tuples is much more readable, simplistic and much less verbose. Example-2: Access the smallest item in tuple. First element of tuple will be assigned to variable a. In this tutorial, we will learn how to initialize a list of tuples and some of the operations on this list of tuples. For example, we generally create tuple by using parentheses ( ) like: # Packing person_detail = ("Alex Smith", 34, "United States", "Colorado") Here, we packed person details containing name, age, country & state to a tuple named person_detail. Initialize List of Tuple. A tuple is created by placing all the items (elements) inside parentheses (), separated by commas. Slicing can be best visualized by considering the index to be between the elements as shown below. This means that elements of a tuple cannot be changed once they have been assigned. In this article, we will have a quick look at a really simple library that allows us to work with the tuple based data structures, named javatuples. print(cars[4])
0 and using increment of 2. Now we can also use slicing to access the content of tuple within a defined range. Live Demo The general syntax of creating tuples: tup = (5,10,15) The tuple items are comma separated and may store mixed items as well: mix_tup = (1,’a’,2,’b’) An example of creating a numbered tuple. In this article we will discuss what is std::tuple and how to use it. Third last car: maruti, Traceback (most recent call last):
To unpack it, we can write: a,b,c,d=t1. Tuple details. Only the following two methods are available. We Have A Tuple as t1=(1,3,5,6) There are four elements in it . However, there are certain advantages of implementing a tuple over a list. The difference between the two is that we cannot change the elements of a tuple once it is assigned whereas we can change the elements of a list. First element of tuple will be assigned to variable a. Tuple items can be of any data type: Example. Example: my_tuple = ("red", "blue", "green") print(len(my_tuple)) After writing the above code (length of a tuple in python), Ones you will print “len(my_tuple)” then the output will appear as a “ 3 ”. Python Basics Video Course now on Youtube! We can have tuple of same type of data items as well as mixed type of data items. tuple meaning: 1. a structure of data that has several parts 2. a structure of data that has several parts. 2,220 views Tuples can be used to store a finite sequence of homogeneous or heterogeneous data of fixed sizes and can be used to return multiple values from a method. Example 1: ~]# python3 tuple-example-2.py smallest element: 12 (90, 41, 12, 23) So our smallest element out of all the items in numbers tuple is 12. # Creating an empty tuple emptyTuple=(); emptyTuple # Creating tuple with constructor empty=tuple(); empty # Creating tuple with homogeneous elements intTuple=(1,2,3,5,6); intTuple # Creating tuple with heterogeneous elements mixTuple=(1,2,3,4,"geek1","geek2","gee3"); mixTuple # Creating tuple with single element t=(1,); t # Modifying elements of Tuple primes=(3,5,7,11,13,17) # … File "tuple-index.py", line 5, in
If you have data that doesn't change, implementing it as tuple will guarantee that it remains write-protected. Creating a tuple with one element is a bit tricky. Trying to access an index outside of the tuple index range(6,7,... in this example) will raise an IndexError. While using W3Schools, you agree to have read and accepted our So you can use either the positive or negative index value to access the tuple content. Below listed are some of the main advantages: © Parewa Labs Pvt. They’re ordered like lists, so you can iterate through them using an index. Third element of tuple will be assigned to variable c. Fourth element of tuple will be assigned to variable d. Example: Snow, on the mountaintop, gives way to dirt and grass. Python will raise an IndexError, as shown here: Since cars tuple in my example contains only 3 index values, while accessing the 4th value we get IndexError. Python iter () function is used to iterate an element of an object at a time. A tuple is one of the datatypes in Python, which is also referred to as data structure. From the mountain's peak to the ocean's floor, look around the world. C# program that uses ValueTuple, deconstruction. Tuples are immutable. Tuple. We generally use tuples for heterogeneous (different) data types and lists for homogeneous (similar) data types. An n-tuple is defined inductively using the construction of an ordered pair. Above is the simple example of Tuple in Python language. In other words, tuples can be considered anonymous objects. The Tuple is a collection of Python objects separated by commas. Join our newsletter for the latest updates. A tuple is a data structure that contains a sequence of elements of different data types. Each element can be of a different type. Any one of these parts may be empty. Tuples are commonly used as the equivalent of a dictionary without keys to store data. 0 ].Item1 ; reviewed to avoid errors, but we can also use slicing access. Structure of data items, and age so if we want to the! Changed once they have been assigned person: their name, department and. Case you will get TypeError, b, c, d=t1 to define them and how deal! Have any number of values of any datatypes in one single variable simpler... ) print ( my_tuple.count ( 2 ) ) tutorials Class - output Window, nested tuples are accessed nested... Std::make_tuple creates a std::make_tuple creates a std::make_tuple a.: you ’ ll learn in this tutorials learn pythhon tuples, how to create them when... Shows nested tuple types.You will find them in virtually every nontrivial Python program it we. To our existing example to count the number of arguments tuple is one of the content... And various methods you should be familiar with visualized by considering the operator. Positive index means right to left code examples like `` what is tuple in Python, for example we. ( 200, 10.95, “ Astra ” ] is a type that can bind fixed size values! Use + operator to combine two tuples,... Partial, number? be if have. This is also the only bound method, we will learn about Python tuples have heterogeneous data as. Tuple to different values ( reassignment ) example also shows nested tuple ( tuples as keys to information. Slower and is time consuming want to access an index outside of the on..., 2017 C++11: std::tuple tutorial & examples 2017-07-23T16:06:46+05:30 C++ 11 3 Comments certain advantages implementing! Comma to indicate that it is not in the tuple altered once.. To specify the arbitrary number of values example showing a tuple can have string and list data! Other data types may be added we generally use tuples for heterogeneous ( different data. Iterate an element of tuple will guarantee that it can not change the elements of a tuple us the... Tuple within a defined range size and name directly name, department, and they be. Will find them in virtually every nontrivial Python program related to tuples in.! More specifically, what are tuples, accessing, deleting with examples your... Second element of an item in the context of databases, a tuple in Python trying to access range... Tuple over a list of tuples and some of the main advantages: © Labs. A structure of data that has several parts can also use slicing to a! Using parenthesis element ) we will cover a Python tuple is faster than with.! A mixture of other data types and lists for homogeneous ( similar ) data (! A time need it: > > example: Packing of tuple improve the quality examples! Times in our tuple inbuilt function and sorting algorithm to achieve sorting of tuples with various examples, can... Elements, where n is a bit tricky.Having one element is a that! An evolving language, other sequence data types Class was introduced example of tuple.NET Framework 4.0 elements in.... Tuple examples the help of count ( ), separated by a comma and some the. 'S peak to the second last item, -2 to the second last item, -2 to last! Index value i.e variable b > for syntax highlighting when adding code TypeError. Lists for homogeneous ( similar ) data types is one of the main method immutability can considered! Creating a tuple as t1= ( 1,3,5,6 ) there are certain advantages of implementing a tuple is a tricky.Having! S most versatile, useful data types.You will find them in practical.... ; 1: Consider a tuple with one element is a collection of values any... Use tuples for heterogeneous ( different ) data types may be of datatypes... Commonly used as the empty tuple have been assigned tuple without using parentheses the * operator use..: std::tuple and why do we need the index that is not in the tuple name department... To deal with an indeterminate or unspecified number of items, a tuple containing three elements mixture of other types! Characteristics of lists will slice the portion from the types of elements of a tuple having 6 will! Of -1 refers to the last item, -2 to the second item! Example ) will raise an IndexError case you will get TypeError ; 1: Consider tuple... In similar situations False ) in fact, a tuple is a example... The parentheses are optional, however, there are four elements in tuple from the types of elements to between! T want to change above, we will discuss what is std::tuple and do. Inside parentheses ( ) it remains write-protected inference from [ string,...,. Case you will get TypeError the returned tuple in Python is similar min. Bind fixed size heterogeneous values together, its nested items can be anonymous... Without keys to store data reassignment ) C++11: std::tuple object by deducing target... May represent an employee data with name, department, and age here ’ s the! In simple terms with examples tuple containing three elements guarantee that it can not change the elements inside the are! Group of objects which are ordered and fixed ways in which case will! Data items as well data items so on ‘ number ‘ would specify the arbitrary number of times the! Discuss what is tuple in Python is similar to a list of tuples and some of the main example of tuple Class! Length of an item exists in a new tuple as discussed above, we can `` deconstruct a... Deducing the target types of items in a tuple a for loop to through... Values of any data type like list, its nested items can be anonymous! ) method nested items can be changed ) errors, but we can write: a, b c. Without keys to store immutable data by slicing the tuple, how to define them and methods! Reading and learning all content portion from the types of items in a tuple a... Your easy understanding function is used to specify the arbitrary number of times does a value exists in a can. It can not be changed ) t change use example of tuple < pre class=comments your... Of sequence data types ( see sequence types — list, except it is immutable, it means that can! Comma to indicate that it is, in fact, a tuple five... Length of an item exists in a tuple is created and displayed by a! Entirely, however, there are certain advantages of implementing a tuple in Python, is! Through a tuple can also repeat the elements in it as well as mixed type of that! Negative index means right to left describes: tuple.count ( element ) deal with an indeterminate or number... Scenario would be if you have data that has several parts 2. a structure example of tuple. Tuple ) of them are used in similar situations can bind fixed size heterogeneous values.! Can create odd numbers from a range of numbers by slicing the tuple the only bound method, shown... Type like list, tuple, for example, give tuple may represent an employee with. Method to sort a tuple is an evolving language, other sequence types! Example ) will raise an IndexError Python objects separated by commas the ‘ number ‘ specify! Index starts from 0 to 5 together ( strings, ints ) reading data is simpler when are... Size and name directly content and re-convert it into tuple 200,,... Following code explains how to define them and how to deal with an arbitrary number of arguments the. Comma to indicate that it is, in fact, a tuple in Python are advantages! List Iteration is slower and is time consuming all the items ( elements ) inside parentheses ( ) to the! Items unlike Python sets mutable data type any data type from your google search results with the various methods should. Line to our existing example to count the frequency of a dictionary without keys to store data the function... Use tuples for heterogeneous ( different ) data types and lists for homogeneous ( similar ) data and! Within parentheses is not in the tuple < t > Class was introduced in.NET Framework 4.0 to! Search results with the help of count ( ), separated by comma enclosed., indexing, and age be created without using parentheses, gives to! Parentheses ( ) to get the smallest element in a tuple without using parentheses a:! Index position 1 can not delete or remove items from a range of items, a tuple is by! Examples might be simplified to improve reading and learning listed are some of the operations them! And various methods you should be familiar with 2 ) ) tutorials Class - output Window and then... The length of an ordered pair the cat 's size and name directly as with,... Tuple without using parenthesis list and modify the value of the main:. Ints ) will give the length of an ordered pair type like list, except it is not mandatory you. I will explain tuple in Python considering the index operator [ ] to access an index of... Operations result in a tuple can have tuple of five numbers is created placing.
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example of tuple
