37 lines
1.1 KiB
Python
37 lines
1.1 KiB
Python
import numpy as np
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import pandas as pd
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from sqlalchemy import create_engine
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engine = create_engine("mysql+pymysql://test:123456@localhost/lottery?charset=utf8")
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conn = engine.connect()
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sql = """SELECT draw_issue, draw_code, sum_num FROM plw ORDER BY id DESC LIMIT 10"""
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df = pd.read_sql(sql, conn)
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print(df)
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count = 1000 * 100
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a = np.arange(count)
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l = set([ f"{i:05d}" for i in a ])
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sum_list = [ sum(map(int, list(i))) for i in l]
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sum_df = pd.value_counts(sum_list)
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# print(sum_df.to_dict())
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# print(np.ceil((100000/sum_df)).to_dict())
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# 数字个数统计
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sum_union_dict = dict()
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num_cnt_dict = dict()
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for i in a:
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item = f"{i:05d}"
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sum_first_3 = sum(map(int, list(item[:3])))
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sum_next_3 = sum(map(int, list(item[2:])))
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sum_key = f"{sum_first_3}_{sum_next_3}"
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sum_v = sum_union_dict.get(sum_key, 0)
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sum_union_dict[sum_key] = sum_v + 1
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num_count = len(set(item))
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v = num_cnt_dict.get(num_count, 0)
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num_cnt_dict[num_count] = v + 1
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sum_union_df = pd.Series(sum_union_dict)
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num_cnt_df = pd.Series(num_cnt_dict)
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print(sum_union_df.sort_values(ascending=False)[:20])
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print(count / num_cnt_df)
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print(sum_union_df["14_15"]) |