自分のコード def ngram(n,list): return [list[i : i + n] for i in range(len(list) - n + 1)] lettersX = "paraparaparadise" lettersY = "paragraph" X = set(ngram(2,lettersX)) Y = set(ngram(2,lettersY)) print(set.intersection(X,Y)) #積集合 set.…