03_Grouping_Regiment_Exercises
1. 필요한 라이브러리 들을 import 하세요.import pandas as pd 2. 다음 raw_data 를 이용하여 DataFrame을 만드세요.raw_data = {'regiment': ['Nighthawks', 'Nighthawks', 'Nighthawks', 'Nighthawks', 'Dragoons', 'Dragoons', 'Dragoons', 'Dragoons', 'Scouts', 'Scouts', 'Scouts', 'Scouts'], 'company': ['1st', '1st', '2nd', '2nd', '1st', '1st', '2nd', '2nd','1st', '1st', '2nd', '2nd'], 'name': ['Miller', 'Jacobson', ..