# Opcion 1, select column index: 1,2,3 new = old.iloc[:,[1,2,3]].copy() # Opcion 2, do not forget the double square breaks new = old[['a','b','c']].copy
# Opcion 1, select column index: 1,2,3 new = old.iloc[:,[1,2,3]].copy() # Opcion 2, do not forget the double square breaks new = old[['a','b','c']].copy