remove space from pandas columns code example

Example 1: drop last row pandas

df.drop(df.tail(n).index,inplace=True) # drop last n rows

Example 2: 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)