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Insert() Method in Python:

The insert() method in Python is used to add or insert an element at a specific position in a list. It is one of the most useful list methods when you want to control the position of new elements.

📘 Syntax:

list.insert(index, element)

Parameters:

index: The position number where the element should be inserted.

element: The item (value) you want to insert into the list.

💡 Example:

fruits = ['apple', 'banana', 'cherry']
fruits.insert(1, 'mango')
print(fruits)

Output:

['apple', 'mango', 'banana', 'cherry']

👉 Here, 'mango' is inserted at index 1, pushing the rest of the elements to the right.


🔑 Key Points:

The insert() method does not replace elements — it shifts existing elements.

If the index is greater than the list length, the element is added at the end.

If the index is negative, the counting starts from the end of the list.

⚙ Example with Negative Index:

numbers = [10, 20, 30, 40]
numbers.insert(-1, 25)
print(numbers)

Output:

[10, 20, 30, 25, 40]
🎯 In Short:

The insert() method in Python is used to insert elements into a list at a specific position, helping you manage list order efficiently.

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