1''' df_dict:
2index an bee
32015-07-02 2 5
42016-08-06 3 3
52016-09-13 2 1
62016-10-26 2 0
72016-11-02 7 2 '''
8
9maxval = max(max(v.index) for k,v in df_dict.items())
10minval = min(min(v.index) for k,v in df_dict.items())
11
12print(maxval)
13print(minval)
14
15# Results:
162016-11-02 00:00:00
172015-07-02 00:00:00