Web Reference: Countries You Can Safely Invest In - Level up your coding skills and quickly land a job. This is the best place to expand your knowledge and get prepared for your next interview. A telecommunications company wants to invest in new countries. The country intends to invest in the countries where the average call duration of the calls in this country is strictly greater than the global average call duration. Write an SQL query to find the countries where this company can invest. Return the result table in any order. In this guide, we solve Leetcode #1501 in Python and focus on the core idea that makes the solution efficient. You will see the intuition, the step-by-step method, and a clean Python implementation you can use in interviews.
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Leetcode Medium 1501 Countries You - Latest Information & Updates 2026 Information & Biography
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Last Updated: April 4, 2026
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