why media file i need to write /static django code example

Example 1: django static files / templates

from django.conf import settings
from django.conf.urls.static import static

urlpatterns = [
    # ... the rest of your URLconf goes here ...
] + static(settings.STATIC_URL, document_root=settings.STATIC_ROOT)

Example 2: django static files / templates

STATICFILES_DIRS = [
    os.path.join(BASE_DIR, "static"),
    '/var/www/static/',
]

Example 3: django static files

STATIC_URL = '/static/'