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Python Script to Insert and Delete an Element Without Using insert() or pop()

Python/Codingeasy0.4 min readPremium
Frequency
Low
Asked at 1 company
Category
179
questions in Python/Coding
Difficulty Split
127E|24M|28H
in this category
Total Bank
1,863
across 7 categories
Asked at these companies
JIO
Key Concepts Tested
etlpython
Expert AnswerPremium
85 wordsInterview-ready
**Why Slicing for Insert/Delete:** Demonstrates understanding of list immutability patterns. lst[:i] + [x] + lst[i:] creates new list—useful in functional style or when you need to preserve original. **Complexity:** O(n) for both—slicing copies. For frequent mid-list ops, list is wrong structure—use deque (ends) or linked structure (mid). **Production:** In ETL, we rarely insert/delete by index—we filter (list comp) or use DataFrame drop/assign....
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