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- import pandas as pd
- import numpy as np
- df = pd.DataFrame([[1,2,3,4], [2,3,4,5], [3,4,5,6], [4,5,6,7]])
- print(df)
- s = {1,3}
- hints = df.apply(lambda x: len(set(x) & s), axis=1).value_counts().sort_index()
- print(hints)
- 0 1 2 3
- 0 1 2 3 4
- 1 2 3 4 5
- 2 3 4 5 6
- 3 4 5 6 7
- 0 1
- 1 2
- 2 1
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