{print(f'{key}:{value}') for (key,value) in dictionary.items()}

{key:value for (key,value) in dictionary.items() if value == condition1 if value == condition2}

{key:(this if value==condition else that) for (key,value) in dictionary.items()}

ohe_cat_map = dict(zip(['Pclass', 'Sex', 'Embarked'], [[l for l in a] for a in ohe.categories_]))
map_list = [[f'{k}_{i}' for i in v] for k, v in ohe_cat_map.items()]
print([e for f in map_list for e in f])