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add sd.py

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chenwj113 2022-10-12 16:54:26 +08:00
parent 9073e118e3
commit f937c697a4
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import numpy as np
import pandas as pd
a = np.arange(1000)
l = set([ f"{i:03d}" for i in a ])
sum_dict = dict()
print(len(l))
for i in l:
_sum = sum(map(int, i))
v = sum_dict.get(_sum, 0)
sum_dict[_sum] = v + 1
df = pd.Series(sum_dict)
print(df.sort_values(ascending=False))