python typing optional
from typing import Optional
class Example:
required_field_1: str
required_field_2: int
optional_field: Optional[str]python typing optional
from typing import Optional
class Example:
required_field_1: str
required_field_2: int
optional_field: Optional[str]python typing list of strings
from typing import List
def my_func(l: List[int]):
passtyping generator python
# Iterator
def infinite_stream(start: int) -> Iterator[int]:
while True:
yield start
start += 1
# Generator
def infinite_stream(start: int) -> Generator[int, None, None]:
while True:
yield start
start += 1python type hint list
# For collections, the name of the type is capitalized, and the
# name of the type inside the collection is in brackets
x: List[int] = [1]
x: Set[int] = {6, 7}
# For simple built-in types, just use the name of the type
x: int = 1
x: float = 1.0
x: bool = True
x: str = "test"
x: bytes = b"test"Copyright © 2021 Codeinu
Forgot your account's password or having trouble logging into your Account? Don't worry, we'll help you to get back your account. Enter your email address and we'll send you a recovery link to reset your password. If you are experiencing problems resetting your password contact us
