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Tuples In Python

In the article, we will discuss tuples in Python.

What Are Tuples?

Like lists, tuples are also collections of elements. But tuples are immutable. It means that you cannot change the value of an element in tuples.

Syntax

Variable_name = (element1,element 2,…..)

Example

Consider the following example: -

classmates = ("Karan","sumit","amit") #declaring a tuple of classmates

print(classmates) # printing the value of tuples

classmates[1] = "Tarun" # assign the value at position 2

print(classmates) # printing the value of the tuple

Once you run the above code, you will get the following output: -

('Karan', 'sumit', 'amit')
Traceback (most recent call last):
  File "C://python/datatype.py", line 5, in <module>
    classmates[1] = "Tarun"
TypeError: 'tuple' object does not support item assignment

The reason for this error is, we are trying to assign value to tuple and tuples are immutable.

Looping Through All The Elements In A Tuple

Here is a simple example that demonstrates how to loop through all elements in a tuple.

tuple = ("Banana","Orange","Grapes","Straw berry")

x= 0

while x < 4:
    print(tuple[x])
    x = x + 1

Once you run this program, you will get the following output: -

Picture showing the output of looping through all the elements in tuple

Specifying The Range

While printing data from a tuple, you can also specify the range. Consider the following example: -

tuple = ("Banana","Orange","Grapes","Straw berry")

print(tuple[1:3])

Here ‘1’ is the starting index and ‘3’ is the end index. Once you run the above code, you will get the following output.

Picture showing specifying the range in the tuple

Posted By -	Karan Gupta

Posted On -	Thursday, February 14, 2019

Updated On -	Thursday, February 21, 2019

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