题解 | #下厨房#
下厨房
https://www.nowcoder.com/practice/ca5c9ba9ebac4fd5ae9ba46114b0f476
lst1 = set() while True: try: s = input().split() for a in s: lst1.add(a) except: break print(len(lst1))
下厨房
https://www.nowcoder.com/practice/ca5c9ba9ebac4fd5ae9ba46114b0f476
lst1 = set() while True: try: s = input().split() for a in s: lst1.add(a) except: break print(len(lst1))
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