combination python
# 1. Print all combinations
from itertools import combinations
comb = combinations([1, 1, 3], 2)
print(list(combinations([1, 2, 3], 2)))
# Output: [(1, 2), (1, 3), (2, 3)]
# 2. Counting combinations
from math import comb
print(comb(10,3))
#Output: 120how to print all combinations of a string in python
test_str = "abc"
res = [test_str[i: j] for i in range(len(test_str))
for j in range(i + 1, len(test_str) + 1)]
print(res)#['a', 'ab', 'abc', 'b', 'bc', 'c']Copyright © 2021 Codeinu
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