convert index of dataframe to column code example
Example 1: how to make index column as a normal column
df.reset_index(level=0, inplace=True)
Example 2: how to make index column as a normal column
>>> df
val
tick tag obs
2016-02-26 C 2 0.0139
2016-02-27 A 2 0.5577
2016-02-28 C 6 0.0303