|
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)) |