AttributeError: 'DataFrame' object has no attribute 'bits'
Hi, I am new here just started some tutorials learning python, can you plz help me 

'vw_bits_amazon.csv'

```
bits    loss
25  0.151731
24  0.151809
23  0.151951
22  0.151809
```

```
import pandas as pd
from matplotlib import pyplot as plt

input_file = 'vw_bits_amazon.csv'
d = pd.read_csv(input_file)
plt.plot(d.bits, d.loss)
plt.show()
```

I got 
`AttributeError: 'DataFrame' object has no attribute 'bits'`
