Use:

df['Summary'] = df['Summary'].apply(lambda x: ','.join(y['name'] for y in x))

df['Summary'] = [','.join(y['name'] for y in x) for x in df['Summary']]

如果可能使用列中的字符串Summary：

import ast

df['Summary']=df['Summary'].apply(lambda x:','.join(y['name'] for y in ast.literal_eval(x)))