>>> import pandas as pd
>>> from naufragi import preu_max

--ini-enunciat

>>> df = pd.read_csv('titanic.csv').set_index('PassengerId')
>>> preu_max(df, 1)
('Ward, Miss. Anna', 512.3292)
>>> preu_max(df, 2)
('Hood, Mr. Ambrose Jr', 73.5)
>>> preu_max(df, 3)
('Sage, Master. Thomas Henry', 69.55)
 
--fi-enunciat

>>> preu_max(df.loc[300:500], 1)
('Fortune, Miss. Alice Elizabeth', 263.0)
>>> preu_max(df.loc[300:500], 2)
('Davies, Mr. Charles Henry', 73.5)
>>> preu_max(df.loc[300:500], 3)
('Sage, Mr. George John Jr', 69.55)
>>> preu_max(df.loc[500:], 1)
('Cardeza, Mr. Thomas Drake Martinez', 512.3292)
>>> preu_max(df.loc[500:], 2)
('Hickman, Mr. Leonard Mark', 73.5)
>>> preu_max(df.loc[500:], 3)
('Sage, Miss. Stella Anna', 69.55)