```csv
C,Si,Mg,Ni56,Ni58
0,0.1,0,0.1,0
0,0.1,0,0.1,0
0,0.1,0,0,0.1
0,0.2,0.1,0,0
0,0.2,0.1,0,0
0,0.2,0.1,0,0.1
0,0.2,0.1,0,0.6
0,0.2,0.1,0,0
0.5,0,0,0,0
0.5,0,0,0,0
```

Rearrange columns in csv file
user
```csv
C,Mg,Si,Ni56,Ni58
0,0,0.1,0.1,0
0,0,0.1,0.1,0
0,0,0.1,0,0.1
0,0.1,0.2,0,0
0,0.1,0.2,0,0
0,0.1,0.2,0,0.1
0,0.1,0.2,0,0.6
0,0.1,0.2,0,0
0.5,0,0,0,0
0.5,0,0,0,0
```
assistant