Answers for "delete a col in pandas"

drop columns pandas

df.drop(columns=['B', 'C'])

delete columns pandas

df = df.drop(df.columns[[0, 1, 3]], axis=1)  # df.columns is zero-based pd.Index 
df.drop(['column_nameA', 'column_nameB'], axis=1, inplace=True)

pandas drop column in dataframe

>>> df.drop(['B', 'C'], axis=1)
   A   D
0  0   3
1  4   7
2  8  11