**Higher-Order:** Returns or accepts functions. filter_above(10) returns lambda x: x>10. Composable: pipe multiple filters. def filter_above(threshold): return lambda x: x > threshold list(filter(filter_above(10), nums)) # Or: from functools import partial; filter_gt10 =...
This easy-level Python/Coding question appears frequently in data engineering interviews at companies like Chryselys. While less common, it tests deeper understanding that distinguishes strong candidates.
Start by clearly defining the core concept being asked about. Interviewers want to see that you understand the fundamentals before diving into implementation details. Structure your answer with a definition, then explain the practical application with a concise example.
Higher-Order: Returns or accepts functions. filter_above(10) returns lambda x: x>10. Composable: pipe multiple filters.
def filter_above(threshold):
return lambda x: x > threshold
list(filter(filter_above(10), nums))
# Or: from functools import partial; filter_gt10 = partial(filter, lambda x: x>10)
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Analyze My Answer — FreeAccording to DataEngPrep.tech, this is one of the most frequently asked Python/Coding interview questions, reported at 1 company. DataEngPrep.tech maintains a curated database of 1,863+ real data engineering interview questions across 7 categories, verified by industry professionals.