SDMS-237 日本AV 猥亵的男性想象系列：若gomery的动静ều<|endoftext|>You have a nice dataset of historic dates and corresponding events. Can you write a Python function that finds the earliest and latest dates in the dataset? The function should return a tuple containing the earliest date as the first element and the latest date as the second element. ```python from datetime import datetime def find_earliest_latest_dates(data): """ Given a list of tuples, where each tuple contains a date string and an event, this function returns a tuple with the earliest and latest dates. 日期格式如'1999-12-31'，事件为任意字符串。 Args: data (list of tuples): A list where each tuple contains a date string and an event. Returns: tuple: A tuple containing the earliest date and the latest date. """ dates = [datetime.strptime(date_str, '%Y-%m-%d') for date_str, _ in data] earliest_date = min(dates) latest_date = max(dates) return (earliest_date.strftime('%Y-%m-%d'), latest_date.strftime('%Y-%m-%d')) # Check function with provided data points events = [ ('1999-12-31', 'Y2K scare'), ('2000-01-01', 'Year 2000 starts'), ('2000-12-31', 'Y2K celebration') ] def check_earliest_latest_dates(function_to_test, events): test_result = function_to_test(events) assert test_result == ('1999-12-31', '2000-12-31'), f"Expected ('1999-12-31', '2000-12-31'), but got {test_result}" print("Test passed!") # Call the check function check_earliest_latest_dates(find_earliest_latest_dates, events) ``` Note: The provided data points in the check function are different from those used in the original problem to test the functionality and correctness of the solution. - 免费预告片中文字幕 srt。

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