# Conteggio dei valori mancanti per colonna
missing_values = data.isnull().sum()
print(missing_values)

PassengerId      0
Survived         0
Pclass           0
Name             0
Sex              0
Age            177
SibSp            0
Parch            0
Ticket           0
Fare             0
Cabin          687
Embarked         2
dtype: int64