python 删除 DataFrame表的最后一行的正确方法

import pandas as pd import numpy as np df = pd.DataFrame(np.arange(12).reshape(3,4), columns=['A', 'B', 'C', 'D']) print(df,df)   # df.drop([-1],inplace=True) df.drop([len(df)-1],inplace=True) print(df,df)

注意不要用df.drop([-1],inplace=True),这个写法不对

参考:https://blog.csdn.net/nini3816/article/details/102939424