how to drop the first column in pandas code example

Example 1: remove 1st column pandas

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

Example 2: removing features pandas

df.drop([‘feature_1’,’feature_2’], inplace = True, axis = 1)

Example 3: remove columns from dataframe

df.drop('col_name',1) #1 drop column / 0 drop row

Example 4: drop the first column pandas

df.set_index['column'] # column refers to column to be set as index