Why is it showing combination object instead of combination.I want to print all the possible combo of all lenghts

Question

I want to print possible combinations to a string of all lengths

import itertools

string = input()

l1 = [ ]

for i in string:
    l1.append(i)

combo = []

combo = [itertools.combinations(l1,i) for i in range(len(l1))]  #i want to resolve this line

print(combo)

Answer 1

try this

import itertools
string = input()
l1 = [i for i in string ]

combo = [list(itertools.combinations(l1,i)) for i in range(len(l1))] 
print(combo)