Select 2 columns based on another column values

Python Help
1

Hello All…i got dificulties looking for code to select 2 columns based on another column value. I got 3 columns a,b,c as below

a   b   c
1   2   3
2   3   4
3   4   5
2   3   5
3   2   5

I have the code below but it sel

testdf = df.query("a==2 | a==3")["b"]   <-- this one works but only b column show

I have tried below to show b,c columns but it does not work…any quick tips please.

testdf = df.query("a==2 | a==3")["b"]["c"]   <-- this does not work
2

Oh i quickly found the solution…thanks

df[['b','c']][(df["a"] == 2) | (df["a"] == 3)]