Answers for "sort a df based on a index pandas"

sort by index pandas

>>> df = pd.DataFrame([1, 2, 3, 4, 5], index=[100, 29, 234, 1, 150],
...                   columns=['A'])
>>> df.sort_index()
     A
1    4
29   2
100  1
150  5
234  3

pandas order dataframe by index of other dataframe

df2 = df2.reindex(df1.index) # reorder df2 by index of df1