Python Deduplication

import random

numbers = list(range(1,46))
random.shuffle(numbers)
print( numbers[:6] )

from collections import Counter
Counter([1,2,3,4,5,5,5,5])

import random
from collections import Counter

number_list = list(range(1, 46))
count = Counter()

for i in range(6):
    lotto = random.sample(number_list, 6) # Extract 6 from list
    count.update(lotto)

common = [m[0] for m in count.most_common(6)]

print(common)