1. import pandas as pd
    2. aaaaaa = {'aa':'1111','bb':'2222','cc':'333333'}
    3. aser = pd.Series(aaaaaa)
    4. dffff = pd.DataFrame(aser,columns=['inde'])
    7. dffff['get_str'] = dffff['inde'].str[:2]
    8. dffff

    image.png