class City(typing.NamedTuple):
    continent: str
    name: str
    country: str

cities = [
    City('Asia', 'Tokyo', 'JP'),
    City('Asia', 'Delhi', 'IN'),
    City('North America', 'Mexico City', 'MX'),
    City('North America', 'New York', 'US'),
    City('South America', 'São Paulo', 'BR'),
]

def match_brazil():
    results = []
    for city in cities:
        match city:
            case City(country='BR', name=name):
                results.append(name)
    return results

results = []
for city in cities:
    match city:
        case City(country='BR', name=name):
            results.append(name)

# When using `for ... in ... if ...` for current Python, you need lots of code after `if`.
results = [city.name for city in cities if (type(city) == City) and (city.country == 'BR')]

# Use `match case` instead of `if` in the list comprehension
results = [name for city in cities match case City(country='BR', name=name)]

# To minimize the code, you don't need `case` here (just `match` keyword is enough)
results = [name for city in cities match City(country='BR', name=name)]

# You can omit the `city` because you don't need it in this example (use `for _ in` or `for in`).
results = [name for _ in cities match City(country='BR', name=name)]
results = [name for in cities match City(country='BR', name=name)]

# final version (proposal)
def match_brazil():
    return [name for in cities match City(country='BR', name=name)]