To remove multiple columns col1, col2, . . . , coln, we have to insert all the columns that needed to be removed in a list. Then remove them by the drop() ... ... <看更多>

1) direct assignment, .drop df = pd.DataFrame([1]) def tfun(df): df['a'] = 2 df = df.drop(columns = ['a']) tfun(df) print(df.columns) > ... ... <看更多>

pandas methods. I want to drop a range of rows and columns of a dataframe, I did it as follow: df.drop(df.columns[3:], axis=1, inplace=True) ... ... <看更多>