Account balance goes negative
This account-debit code runs in a multi-threaded server. What's wrong?
What a strong answer looks like
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 18 min
Mark a line and say what kind of problem it is.0 findings
1def withdraw(account, amount):
2 if account.balance >= amount:
3 account.balance -= amount
4 return True
5 return False
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