def pegaExtremosUnicos(v):
    i = 1
    for i in range(len(v)):
        atual = v[i]
        j = i - 1;
        while (j >=0) and (atual < v[j]):
            v[j +1] = v[j]
            j = j -1
        v[j + 1] = atual
    i = 1
    while i < len(v):
        if v[i] == v[i-1]:
            del v[i]
            del v[i-1]
        i = i +1
    d = [v[0],v[len(v)-1]]
    return tuple(d)
 
array = [1,1,2,3,4,5,6,7,8,8]
 
print (pegaExtremosUnicos(array))

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