Cannot get groupby records based on their minimum value using pandas in python

Question

I have the following csv

id;price;editor
k1;10,00;ed1
k1;8,00;ed2
k3;10,00;ed1
k3;11,00;ed2
k2;10,50;ed1
k1;9,50;ed3

If I do the following

Answer 1

drop_duplicate + sort_values

#df['price'] = pd.to_numeric(df['price'].str.replace(",", "."))

df.sort_values('price').drop_duplicates(['id'])
Out[423]: 
   id  price editor
1  k1    8.0    ed2
2  k3   10.0    ed1
4  k2   10.5    ed1