functional_try_catch.py

from typing import Callable

def try_catch(to_try:Callable, to_catch:Callable, exception_type:Exception, to_finally:Callable):
    try:
        to_try()
    except exception_type as exception:
        to_catch(exception)
    finally:
        to_finally()

def example():
    message_via_closure = "oops"
    def try_it():
        raise TypeError(message_via_closure)
    def catch_it(exception:Exception):
        print(message_via_closure + " 2")
        print(str(exception) + " is the exception message")
    def finally_it():
        print(message_via_closure + " 3")
        print("closing connection")

    try_catch(try_it, catch_it, TypeError, finally_it)

example()