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import io import pandas as pd data = """\ task,start,end A,6:00,8:30 B,6:30,8:00 C,5:30,7:00 D,7:30,9:00 E,10:00,10:30 F,5:00,11:00 """ df0 = pd.read_csv(io.StringIO(data), index_col=0) # 時間に変換 df0["start"] = pd.to_timedelta(df0["star…