Ko'rinishicha siz `join` dan keyin qavsni yo'qotib qo'ydingiz. Quyidagi kodni tuzatgan bo'lsangiz: `join`Python # Usul difflib o'zgarishlarni ko'rsatish uchun turdagi izohlar kutilganidek qo'shilganligini tekshirish uchun. import difflib def printdiff(original_node, updated_node): return ("".join(lib diff.unified_diff(original_node.splitlines(1), updated_node.splitlines(1)) ) ) ) ```
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