来自Pandas Dataframe
nconst primaryName primaryProfession
0 nm0000103 Fairuza Balk actress,soundtrack
1 nm0000106 Drew Barrymore producer,actress,soundtrack
我要分隔带有逗号的字符串。下面应该是这样
nconst primaryName primaryProfession1 primaryProfession2 primaryProfession3
0 nm0000103 Fairuza Balk actress soundtrack
1 nm0000106 Drew Barrymore producer actress soundtrack