import pandas as pd def xlsx_to_csv_pd(): """ xlsx 转 csv :return: """ data_xls = pd.read_excel('2018.12.xlsx', index_col=0) data_xls.to_csv('2018.12.csv', encoding='utf-8') def csv_to_xlsx_pd(): """ csv 转 xlsx :return: """ csv = pd.read_csv('2019.01.csv', enco…