python function argument type strying code example
Example 1: how to set the type of the arguments functions in pytohn
def showPrompt(symbol :str, container :str) -> None:
while container.lower() != "exit":
container = str(input(symbol))
Example 2: python optional type annotation
from custom_module import SomeClass
from typing import Optional
class SubClass:
a_reference: Optional[SomeClass] # Provides info that a_reference may be 'None'.
def __init__(self):
self.a_reference = None