from itertools import starmap
 
times_min = {
    'tvmv': [121, 250, 48, 45, 54, 120, 115, 138, 60, 30, 274],
    'avic': [358, 60, 40],
    'hotels_resorts': [60, 31, 45, 50, 300, 165, 40, 46],
    'avani': [70, 40],
    'seteais': [164, 115, 78, 54, 45, 17, 180, 220],
    'tvpo': [54],
    'tlis': [54, 45],
    'coimbra': [54],
    'oriente': [54],
    'tvca': [350, 340, 230, 120, 45]
}
 
resultado1 = dict(starmap(lambda k,v: (k, sum(v)), times_min.items()))
 
resultado2 = dict(map(lambda i: (i[0], sum(i[1])), times_min.items()))
 
print(resultado1)
print()
print(resultado2)

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