Practice interviews/Coding/Data AnalystDAData Analyst1 topic · 28 questionsAnswer business questions in plain Python by grouping, joining, and summarizing rows of data.Entry levelData analysis in PythonAnswer real business questions in plain Python over lists of dicts: group-bys, pivots, period-over-period growth, moving averages, cohorts, funnels, joins, deduplication, percentiles, ranking, churn, and anomaly flags, with every rule spelled out.28 questions · about 14 minutes
