java 二维表格_二维表格转换成一维表格
# 加载数据import pandas as pddf_old1 = pd.read_excel(r"D:\Jupyter\data\Python.xlsx",sheet_name = "变一维")df_old1 # 数据清洗,把第一列设为索引列df_old2 = pd.read_excel(r"D:\Jupyter\data\Python.xlsx",sheet_name = "变一维",ind...