from collections import Counter

my_list = [10,10,10,10,20,20,20,20,40,40,50,50,30]
print(my_list)

# zliczanie
count_my_list = Counter(my_list)
print(count_my_list)
0cd9095300e98aeff4e48f0d373470f4bed43a7a
<mask token>

<mask token>
print(my_list)
<mask token>
print(count_my_list)

<mask token>
my_list = [10, 10, 10, 10, 20, 20, 20, 20, 40, 40, 50, 50, 30]
print(my_list)
count_my_list = Counter(my_list)
print(count_my_list)

from collections import Counter
my_list = [10, 10, 10, 10, 20, 20, 20, 20, 40, 40, 50, 50, 30]
print(my_list)
count_my_list = Counter(my_list)
print(count_my_list)

from collections import Counter

my_list = [10,10,10,10,20,20,20,20,40,40,50,50,30]
print(my_list)

# zliczanie
count_my_list = Counter(my_list)
print(count_my_list)