json_list = [
    'a-1.json',
'a-2.json',
'a-3.json']

final_df = pd.DataFrame()

for i in json_list:
    try:
        df = pd.read_json(i)

        #df.to_csv(i+'.csv')
        
        df = pd.DataFrame(df)

        final_df = pd.concat([final_df,df])

    except:
        pass
        
final_df.to_csv('a1_a171_profiles.csv')