CoCalc -- Imperative-01.py

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cocalc-examples / dask-tutorial / solutions / Imperative-01.py

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a = delayed(pd.read_csv)(filenames[0])
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b = delayed(pd.read_csv)(filenames[1])
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c = delayed(pd.read_csv)(filenames[2])
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na = delayed(len)(a)
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nb = delayed(len)(b)
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nc = delayed(len)(c)
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total = delayed(sum)([na, nb, nc])
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