2d (edited) • 💼 Career Corner
Round2 Interview Question
In the interview , for a company (energy investments / commodities) a panel of 3 interviewers asked me the following during a discussion .
Panel: Let's talk about some important Python details. It's ok if you don't remember things. Just an approximate answer will be fine for us.
So, in Python, what is the difference between a List comprehension and a Generator expression. In a few words...
Correct answer: A generator expression is like a list comprehension, except that it doesn't store the list in memory.
Panel: Give some example . Write here in the tablet.
Answer:
list comprehension:
simulated_returns = [price * volatility for price in historical_data]
portfolio_value = sum(simulated_returns)
generator:
simulated_returns = (price * volatility for price in historical_data)
portfolio_value = sum(simulated_returns)
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Round2 Interview Question
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