how to set an index to particular element in pandas python code example
Example 1: how to change indeces in pandas dataframe
>>> df.set_index('month')
year sale
month
1 2012 55
4 2014 40
7 2013 84
10 2014 31
Example 2: change index to dataframe pandas
#cree un indice par defaut sur la base de donnee
df.reset_index()