ret:float = df['数量'].mean()
pandas.set_option('display.width', 120)
pd.set_option('display.max_rows', 150) pd.set_option('display.max_columns', 5)
# yyyymm には YYYY/MM 形式で年月が入っている前提 s2: str = yyyymm + "/" + str(pd.Period(yyyymm).days_in_month)
cond: Series = am.data_frame['商品名'].str.contains(wid, na=False)
with open(csv_file_name, 'r', encoding='utf-8-sig', errors='strict', newline='') as csv_file: df = pd.read_csv(filepath_or_buffer=csv_file, encoding="utf-8-sig", sep=",", dtype=str)