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user_input = int(input())
countries_stamps = set()
for i in range(user_input): country = input().strip() countries_stamps.add(country)
print(len(countries_stamps))
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Set .add()
You are viewing a single comment's thread. Return to all comments →
user_input = int(input())
countries_stamps = set()
for i in range(user_input): country = input().strip() countries_stamps.add(country)
print(len(countries_stamps))