Can anybody help?Here's the code that gives me a hedeache for second day https://bpa.st/XLOA If I have letter_list = ["a","a",,"b","b","c","c"] it's working correctly but if I have three or more of any letters for example:letter_list = ["a","a","a","b","b","c","c"], I'm ending up with some pairs somewhere. I took another way approach today: https://bpa.st/E7HQ, was thinking about iterating and checking if neighbour characters won't make a pair but I've end up with error: if x != letter_list[i+1] and letter_list[i-1]: IndexError: list index out of range andin addition: got 4 "a" (had 3only) and missing 1 "b" :-/
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