python get index of duplicates in list

Title: Identifying and Getting the Index of Duplicates in a Python List
Introduction:
Duplicate elements in a list are a common occurrence in programming, and identifying their positions (indices) can be crucial in various scenarios. In this tutorial, we will explore how to find and retrieve the indices of duplicate elements in a Python list. We'll cover different approaches and provide code examples to help you understand the process.
Method 1: Using a Counter and List Comprehension
Explanation:
Method 2: Using a Dictionary to Track Indices
Explanation:
Conclusion:
Identifying and retrieving the indices of duplicate elements in a Python list can be accomplished using various approaches. The choice of method depends on the specific requirements and preferences of the developer. Both the Counter-based and dictionary-based methods provided in this tutorial offer efficient ways to tackle this common programming task.
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