Need max values in list of tuples, based on position

[Pancho]

On 11/11/2022 07:22, DFS wrote:
> 
> [(0,11), (1,1),  (2,1),
>   (0,1) , (1,41), (2,2),
>   (0,9) , (1,3),  (2,12)]
> 
> The set of values in elements[0] is {0,1,2}
> 
> I want the set of max values in elements[1]: {11,41,12}
> 
> 
> 
def build_max_dict( tups):
     dict = {}
     for (a,b) in tups:
         if (a in dict):
             if (b>dict[a]):
                 dict[a]=b
         else:
             dict[a]=b
     return(sorted(dict.values()))