Python将Excel表格按某列拆分为多个sheet实现过程

import pandas as pd
import bioquest as bq # https://jihulab.com/BioQuest/bioquest

input_file=r"https://gitee.com/zhjx19/chaoyanghospital/raw/master/%E6%9C%9D%E9%98%B3%E5%8C%BB%E9%99%A22018%E5%B9%B4%E9%94%80%E5%94%AE%E6%95%B0%E6%8D%AE.xlsx"
output_file=r"朝阳医院.xlsx"
key='商品名称'

data = pd.read_excel(input_file)
data.dropna(subset=key,inplace=True)

data.loc[:,key] = bq.st.replaces(string=data.loc[:,key],pattern=r"/",repl="每")
data.loc[:,key] = bq.st.replaces(string=data.loc[:,key],pattern=r"[\\*?:/\[\]]",repl="")

keys=data.loc[:,key].unique().tolist()
few_dict = {}
single_dict = {}
for i in keys:
    data_sub = data.groupby(key).get_group(i)
    if data_sub.shape[0]<50:
        few_dict[i] = data_sub
    else:
        single_dict[i] = data_sub

few = pd.concat(few_dict,ignore_index=True)
few.to_excel(output_file, sheet_name="合并的药物", index=False)

writer = pd.ExcelWriter(output_file, engine='openpyxl',mode="a")
for k,v in single_dict.items():
    v.to_excel(writer, sheet_name=f"{k}", index=False)
writer.close()