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segmentlist()

What is the SegmentList() method in Python?

abhilash

Overview

A list in Python is a linear data structure used to store elements.

The list can always be sorted using the SortedList provided by sortedcontainers module.

A SegmentList is a special case of a SortedList initialized with a key function that always returns 0. It supports fast random insertion and deletion of elements. Some of the methods of SortedList are not implemented in SegmentList.

Syntax

SegmentList(iterable)

Parameter

This method takes an iterable as a parameter.

Return value

This method returns a segmented list.

Example

from sortedcollections import SegmentList

s = SegmentList(range(5))

print("List - ", s)

s.remove(4)

print("List after removing 4 - ", s)

print("Index of 2 in the list - ", s.index(2))
Implementation of SegmentList()

Explanation

  • Line 1: We import SegmentList from sortedcollections package.
  • Line 3: An instance of SegmentList() is created with dummy data.
  • Line 5: We print the segment list.
  • Line 7: We remove element 4 from the list.
  • Line 9: We print the modified list after removing 4.
  • Line 11: We use the index() method to find the index of element 2.

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python
method
segmentlist()
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