def suma(a, b):
    return a + b

def suma(ivan, ola):
    return ivan + ola

x = 6
y = 4
z = suma(x, y)

print(' - Apples          ' + str(totalBrought(allGuests,
                                  'apples')))

totalBrought(allGuests, 'apples')

def totalBrought(guests, item):
    numBrought = 0
    for k, v in guests.items():
        numBrought = numBrought + v.get(item, 0)
    return numBrought