df.sort_values()

df.sort_values(by=column_name, ascending=True)

Sorts the entire DataFrame in ascending order by the values in the column. ascending can be omitted, as it's default value is True.

Input:

column_name : string

Column name to sort by.

ascending : boolean, default 'True'

Sort ascending vs. descending.

Returns:

df_sorted - A new DataFrame with the specified column sorted in ascending/descending.

Return Type:

DataFrame

---

pets = pets.sort_values(by='Weight', ascending=True)
pets

Index	ID	Species	Color	Weight	Age	Is_Cat	Owner_Comment
6	ham_002	hamster	golden	0.25	0.2	False	No, thank you!
5	ham_001	hamster	black	1	3	False	No, thank you!
1	cat_001	cat	golden	1.5	0.2	True	My best birthday present ever!!!
7	cat_003	cat	black	10	0	True	No, thank you!
2	cat_002	cat	black	15	9	True	****All you need is love and a cat.****
4	dog_003	dog	black	25	0.5	False	Be the person your dog thinks you are.
0	dog_001	dog	black	40	5	False	There are no bad dogs, only bad owners.
3	dog_002	dog	white	80	2	False	Love is a wet nose and a wagging tail.

pets = pets.sort_values(by='Age', ascending=False)
pets

Index	ID	Species	Color	Weight	Age	Is_Cat	Owner_Comment
2	cat_002	cat	black	15	9	True	****All you need is love and a cat.****
0	dog_001	dog	black	40	5	False	There are no bad dogs, only bad owners.
5	ham_001	hamster	black	1	3	False	No, thank you!
3	dog_002	dog	white	80	2	False	Love is a wet nose and a wagging tail.
4	dog_003	dog	black	25	0.5	False	Be the person your dog thinks you are.
1	cat_001	cat	golden	1.5	0.2	True	My best birthday present ever!!!
6	ham_002	hamster	golden	0.25	0.2	False	No, thank you!
7	cat_003	cat	black	10	0	True	No, thank you!