How To Remove Duplicates From A List In Python

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In this lesson, we will learn what a list is in Python. Because a Python list is made up of several entries, including duplicates, it is sometimes required to make it unique.

Remove Duplicates From A List In Python

We’ll look at a few different approaches to remove duplicates from a list in Python. So, let’s get this party started!

What is the definition of a list?

In the Python programming language, the list is the most essential data type. The most significant advantage of the list is that its elements do not have to be of the same data type and that.

It has negative indexing. Additionally, all string operations, such as slicing and concatenation, are also applicable to list data types. We can also make a nested list, which is a list that contains another list.


sample_list = [6,"mark",[A,I]]

print(sample_list)

In Python, there are several methods for removing duplicates from a list. Let’s have a look at them:

The Nave Method is the first method.

Each function iterates through the list, attaching the very first instance of the item to the list and ignoring the rest.


sam_list = [11, 13, 15, 16, 13, 15, 16, 11]

print ("The list is: " + str(sam_list))


result = []

for i in sam_list:
	if i not in result:
		result.append(i)

print("Removed duplicated: ", result)

Output

It is a list: [11, 11, 13, 13, 15, 15, 16, 16]

Removed duplicated: [11, 13, 15, 16]

Remove Duplicates From List In Python

Read More: How To Sort A List Of Tuples In Python?
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