wehn do you use sort and groupby in python code example

Example 1: Group based sort pandas

df_scored.sort_values('Score', ascending= False).sort_index(level='Index1', sort_remaining=False)

Example 2: groupby and sort python

In[34]: df.sort_values(['job','count'],ascending=False).groupby('job').head(3)

Out[35]: 
   count     job source
4      7   sales      E
2      6   sales      C
1      4   sales      B
5      5  market      A
8      4  market      D
6      3  market      B