/Python/How to find number of categories in python

How to find number of categories in python

from collections import Counter
df = pd.DataFrame({'a':['apple','apple','banana','peach', 'banana', 'apple']})

print Counter(df['a'])
>> Counter({'apple': 3, 'banana': 2, 'peach': 1})

Source: stackoverflow.com

Similar codes

0 vote180 views1 answer
Pymol load coords
Python
1 vote172 views1 answer
Stop procedure python
Python
1 vote171 views1 answer
Python tkinter listbox click event
Python
0 vote183 views1 answer
Xmlrpc get all posts
Python
1 vote185 views1 answer
Flask socketio usage
Python Flask
0 vote172 views1 answer
Torch.tensor.expand
Python
1 vote173 views1 answer
Django get model class from queryset
Python
0 vote168 views1 answer
How to import the whall library in python
Python
0 vote206 views1 answer
Bootstrap 5 in Django
Python Django
4 votes134 views3 answers
Infinite while loop in python
Python