Mid-Level
October 4, 2026Spot the bug: Data Engineering
One snippet. Find the bug, or prove there isn't one.
python
1def read_error_lines(filepath: str):
2 f = open(filepath, "r")
3 for line in f:
4 if line.startswith("ERROR"):
5 yield line.strip()
6
7def first_ten_errors(filepath: str) -> list:
8 errors = []
9 for line in read_error_lines(filepath):
10 errors.append(line)
11 if len(errors) == 10:
12 break
13 return errorsClick the lines that carry the problem.
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