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fromcollectionsimportdefaultdict# Read the number of stringsn=int(input())# Use defaultdict to simplify the counting processd=defaultdict(int)# Read each string and update the count in the dictionaryfor_inrange(n):s=input().strip()d[s]+=1# Print the number of unique stringsprint(len(d))# Print the frequencies of the unique stringsprint(" ".join(map(str,d.values())))
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