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#!/usr/bin/env python3.7

# https://docs.python.org/3/whatsnew/3.7.html

# https://realpython.com/python37-new-features/

import asyncio

import sys

from contextvars import ContextVar

import dataclasses

import importlib.resources

from passed import passed

var: ContextVar[int] = ContextVar('var', default=1)

assert var.get() == 1

var.set(2)

assert var.get() == 2

buf = ''

async def corutine():

global buf

buf += '3'

async def test_task():

global buf

buf += '1'

# Before:

# task = asyncio.ensure_future(corutine())

task = asyncio.create_task(corutine())

buf += '2'

await task

buf += '4'

asyncio.run(test_task())

assert buf == '1234'

breakpoint_passed = False

sys.breakpointhook = lambda: globals().update(breakpoint_passed=True)

breakpoint()

assert breakpoint_passed

passed()