Write a balance transfer service between two account in a concurrent environment. Draft test/example usage (part of the spec): ``` from_account = Account(...) to_account = Account(...) service = BalanceTransferService() service.transfer(from_account, to_account, amount) # assert ... ```
What is POO inside python?
Recent AI projects and what tech stack I've used.
HackerRank LeetCode medium: Longest Consecutive Sequence LeetCode medium: another array/hashmap-style problem SQL query question HR Call Why do you want to join Revolut? General behavioural / motivation questions Technical Interview (1 hour) Coding (≈30 mins) Implement a set without using: hash tables trees built-in set data structure Write test cases for your implementation Software Engineering / Theory (≈30 mins) SOLID principles Decorators Generators Object-Oriented Programming concepts Database transactions Race conditions and concurrency handling Previous Interview Cycle Technical Round 1 Build a simplified URL shortener using a hashmap Write test cases Technical Round 2 Design a class to handle currency transfers between bank accounts Handle precision correctly (decimals vs integer cents) Database concepts Locking mechanisms Explain why your concurrency approach works
What are python generators and iterators
project-related and basic Python related questions
2 problems, one on array manipulation and the other on a basic string parsing challenge.
Questions regarding what is an API, REST, classes, schemas, etc.
1.difference between list, tuple? 2.what is oops concepts? 3.list comprehension 4.some programming questions 5.pattern solving
What is shallow copy ?
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