Blocking I/O in sequential loop

Code reviewConcurrencySenior–Staff~30 min

Review this Python aggregator (using requests).

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Separate real bugs from style. Rank issues by severity, point at the root cause rather than the symptom, and suggest a concrete fix, specific and kind.

0:00 of about 30 min

Mark a line and say what kind of problem it is.0 findings

1import requests

3def fetch_balances(account_ids):

4 # account_ids: list of independent account identifiers

5 balances = {}

6 for acct in account_ids:

7 resp = requests.get(

8 f"https://api.bank.com/v1/accounts/{acct}/balance",

9 timeout=10,

10 )

11 balances[acct] = resp.json()["available"]

12 return balances

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