How to pass a function from views to urlpatterns?

Question

Django

I am using django version 1.10. We need this function from views.py:

from django.http import HttpResponse
from django.shortcuts import render


def post_home(request):

    return HttpResponse("<h1>Hi</h1>")

Pass craft urls.py:

from django.conf.urls import include, url
from django.contrib import admin

urlpatterns = [
    url(r'^admin/', admin.site.urls),
    url(r'^posts/$',  "НАДО СУДА ПЕРЕДАТЬ ФУНКЦИЮ"),
]

I searched on the official documentation, nothing is clear there.