The original data frame:
B C D
0 OE EG A
1 CA EG A
2 HA1 EG A
3 HA2 EG A
4 CB EG A
5 HB1 EG A
The desired data frame:
B C D
0 OE EG A
1 CA EG A
2 HA1 EG A
3 HA2 EG A
4 CB EG A
5 HB1 EG A
and I want to control spaces among columns!