python - Combinations with replacements -

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I know how a combination of a set is generated and it's one in Python (which I use) Built, anyway. How to generate a combination with the replacement?

Suppose I have a set, say, two equal elements - for example, AABCDE .

Combination 3 However, in the program ABC will be counted twice - Once the first A is to be used, and the second A is used The second one to do

What is a good way to generate such combinations without duplicating?

Thank you.

Change it to set , the easiest way to get rid of duplicates. is.


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