How to Get the Row Count of A Pandas Dataframe?

In [1]: import numpy as np

In [2]: import pandas as pd

In [3]: df =pd.DataFrame(np.arange(9).reshape(3,3))

In [4]: df
Out[4]: 
   0  1  2
0  0  1  2
1  3  4  5
2  6  7  8

In [5]: df.shape
Out[5]: (3, 3)

In [6]: len(df.index)

Out[6]: (3, 3)