Python Examples: type hints

def func(a: int, b: float) -> str:

a: str = f"{a}, {b}"

return a

from typing import List

class Person:

name: str

age: int

def get_names(people: List[Person]) -> List[str]:

return [person.name for person in people]

from typing import Dict

def get_counts(words: List[str]) -> Dict[str, int]:

counts = {}

for word in words:

if word in counts:

counts[word] += 1

else:

counts[word] = 1

return counts