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Код: data = [('A', 1), ('A', 1), ('B', 1)] df = spark.createDataFrame...
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Код:
data = [('A', 1), ('A', 1), ('B', 1)] df = spark.createDataFrame(data, ['k', 'v'])
res = df.distinct().count()
Яким буде результат
res?0%
0%
0%
100%