pandas.DataFrame.index¶
The index (row labels) of the DataFrame.
Examples¶
import pandas as pd
from numba import njit
@njit
def dataframe_index():
df = pd.DataFrame({'A': [1, 2], 'B': [3, 4]}, index=['a', 'b'])
result = df.index
return result # Numpy array of index values ['a', 'b']
print(dataframe_index())
$ python ./dataframe/dataframe_index.py
['a' 'b']