import category_encoders as ce

encoder = ce.BinaryEncoder(handle_unknown='ignore')

encoder.fit(df[['Country']])

df['Country'] = encoder.transform(df[['Country']])

import category_encoders as ce

encoder = ce.BinaryEncoder()

encoder.fit(df[['Country']])

df['Country'] = encoder.transform(df[['Country']])

import category_encoders as ce

encoder = ce.BinaryEncoder(handle_unknown='error')

encoder.fit(df[['Country']])

df['Country'] = encoder.transform(df[['Country']])

import category_encoders as ce

encoder = ce.BinaryEncoder(handle_unknown='use_encoded_value', unknown_value=-1)

encoder.fit(df[['Country']])

df['Country'] = encoder.transform(df[['Country']])