start index at 1 for Pandas DataFrame

 Index is an object, and default index starts from 0:

>>> result.index
Int64Index([0, 1, 2], dtype=int64)

You can shift this index by 1 with

>>> result.index += 1 
>>> result.index
Int64Index([1, 2, 3], dtype=int64)

from : https://stackoverflow.com/questions/20167930/start-index-at-1-for-pandas-dataframe