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

get rid of the editor part:

df_reduced= df.groupby(['id'])['price'].min()

no need to include 'transformed' as somebody else stated