remove the first index column in dataframe python code example

Example 1: how to drop the index column in pandas

df.reset_index(drop=True, inplace=True)

Example 2: delete index in df

>>> df.reset_index(drop=True)
    class  max_speed
0    bird      389.0
1    bird       24.0
2  mammal       80.5
3  mammal        NaN