设置jupyter中,dataframe每一行的最大输出列数
https://stackoverflow.com/questions/11707586/python-pandas-how-to-widen-output-display-to-see-more-columns
import pandas as pd
pd.set_option('display.height', 1000)
pd.set_option('display.max_rows', 500)
pd.set_option('display.max_columns', 500)
pd.set_option('display.width', 1000)