converting pandas column to datetime format

here is a column which has timestamp in string format.

order\_purchase\_col.head()

0    2017-09-13 08:59:02
1    2017-04-26 10:53:06
2    2018-01-14 14:33:31
3    2018-08-08 10:00:35
4    2017-02-04 13:57:51
Name: order\_purchase\_timestamp, dtype: object

convert it to datetime format with to_datetime method

order\_purchase\_col = pd.to\_datetime(order\_purchase\_col)
order\_purchase\_col.head()

0   2017-09-13 08:59:02
1   2017-04-26 10:53:06
2   2018-01-14 14:33:31
3   2018-08-08 10:00:35
4   2017-02-04 13:57:51
Name: order\_purchase\_timestamp, dtype: datetime64\[ns\]