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add new code examples
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‎content/pages/examples/django/django-conf-urls-url.markdown‎

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title: django.conf.urls.url Examples
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category: page
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slug: django-conf-urls-url-examples
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sortorder: 5001
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sortorder: 50001
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toc: False
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sidebartitle: django.conf.urls.url Examples
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meta: Python code examples for the url function within the django.conf.urls module of the Django project.
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```
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## Example 2 from ORGAN-IZE/register
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## Example 2 from register
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[register](https://github.com/ORGAN-IZE/register) is a [Django](/django.html),
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[Bootstrap](/bootstrap.html), [PostgreSQL](/postgresql.html) project that is
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open source under the
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]
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```
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## Example 4 from django-cms
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[django-cms](https://github.com/divio/django-cms)
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([project website](https://www.django-cms.org/en/)) is a Python-based
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content management system (CMS) [library](https://pypi.org/project/django-cms/)
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for use with Django web apps that is open sourced under the
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[BSD 3-Clause "New" License](https://github.com/divio/django-cms/blob/develop/LICENSE).
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[**django-cms/cms/urls.py**](https://github.com/divio/django-cms/blob/develop/cms/urls.py)
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```python
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# -*- coding: utf-8 -*-
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from django.conf import settings
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~~from django.conf.urls import include, url
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from cms import views
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from cms.apphook_pool import apphook_pool
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from cms.appresolver import get_app_patterns
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from cms.constants import SLUG_REGEXP
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if settings.APPEND_SLASH:
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regexp = r'^(?P<slug>%s)/$' % SLUG_REGEXP
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else:
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regexp = r'^(?P<slug>%s)$' % SLUG_REGEXP
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if apphook_pool.get_apphooks():
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# If there are some application urls, use special resolver,
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# so we will have standard reverse support.
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urlpatterns = get_app_patterns()
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else:
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urlpatterns = []
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urlpatterns.extend([
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~~ url(r'^cms_login/$', views.login, name='cms_login'),
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~~ url(r'^cms_wizard/', include('cms.wizards.urls')),
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~~ url(regexp, views.details, name='pages-details-by-slug'),
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~~ url(r'^$', views.details, {'slug': ''}, name='pages-root'),
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])
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```

‎content/pages/examples/django/django-db-models-model.markdown‎

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title: django.db.models.Model Examples
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category: page
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slug: django-db-models-model-examples
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sortorder: 50002
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toc: False
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sidebartitle: django.db.models.Model Examples
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meta: Python code examples for the Model class within the django.db.models module of the Django project.
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# django.db.models.Model Examples
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The
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[Model](https://github.com/django/django/blob/master/django/db/models/base.py)
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class is the superclass for all data stored in [Django](/django.html)
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applications.
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## Example 2 from django-cms
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[django-cms](https://github.com/divio/django-cms)
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([project website](https://www.django-cms.org/en/)) is a Python-based
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content management system (CMS)
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[code library](https://pypi.org/project/django-cms/)
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for use with Django web apps that is open sourced under the
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[BSD 3-Clause "New" License](https://github.com/divio/django-cms/blob/develop/LICENSE).
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```python
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@python_2_unicode_compatible
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class Page(models.Model):
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"""
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A simple hierarchical page model
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"""
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LIMIT_VISIBILITY_IN_MENU_CHOICES = (
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(constants.VISIBILITY_USERS, _('for logged in users only')),
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(constants.VISIBILITY_ANONYMOUS, _('for anonymous users only')),
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)
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TEMPLATE_DEFAULT = TEMPLATE_INHERITANCE_MAGIC if get_cms_setting('TEMPLATE_INHERITANCE') else get_cms_setting('TEMPLATES')[0][0]
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X_FRAME_OPTIONS_INHERIT = constants.X_FRAME_OPTIONS_INHERIT
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X_FRAME_OPTIONS_DENY = constants.X_FRAME_OPTIONS_DENY
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X_FRAME_OPTIONS_SAMEORIGIN = constants.X_FRAME_OPTIONS_SAMEORIGIN
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X_FRAME_OPTIONS_ALLOW = constants.X_FRAME_OPTIONS_ALLOW
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X_FRAME_OPTIONS_CHOICES = (
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(constants.X_FRAME_OPTIONS_INHERIT, _('Inherit from parent page')),
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(constants.X_FRAME_OPTIONS_DENY, _('Deny')),
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(constants.X_FRAME_OPTIONS_SAMEORIGIN, _('Only this website')),
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(constants.X_FRAME_OPTIONS_ALLOW, _('Allow'))
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)
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template_choices = [(x, _(y)) for x, y in get_cms_setting('TEMPLATES')]
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created_by = models.CharField(
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_("created by"), max_length=constants.PAGE_USERNAME_MAX_LENGTH,
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editable=False)
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changed_by = models.CharField(
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_("changed by"), max_length=constants.PAGE_USERNAME_MAX_LENGTH,
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editable=False)
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creation_date = models.DateTimeField(auto_now_add=True)
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changed_date = models.DateTimeField(auto_now=True)
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publication_date = models.DateTimeField(_("publication date"), null=True, blank=True, help_text=_(
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'When the page should go live. Status must be "Published" for page to go live.'), db_index=True)
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publication_end_date = models.DateTimeField(_("publication end date"), null=True, blank=True,
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help_text=_('When to expire the page. Leave empty to never expire.'),
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db_index=True)
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#
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# Please use toggle_in_navigation() instead of affecting this property
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# directly so that the cms page cache can be invalidated as appropriate.
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#
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in_navigation = models.BooleanField(_("in navigation"), default=True, db_index=True)
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soft_root = models.BooleanField(_("soft root"), db_index=True, default=False,
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help_text=_("All ancestors will not be displayed in the navigation"))
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reverse_id = models.CharField(_("id"), max_length=40, db_index=True, blank=True, null=True, help_text=_(
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"A unique identifier that is used with the page_url templatetag for linking to this page"))
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navigation_extenders = models.CharField(_("attached menu"), max_length=80, db_index=True, blank=True, null=True)
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template = models.CharField(_("template"), max_length=100, choices=template_choices,
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help_text=_('The template used to render the content.'),
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default=TEMPLATE_DEFAULT)
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login_required = models.BooleanField(_("login required"), default=False)
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limit_visibility_in_menu = models.SmallIntegerField(_("menu visibility"), default=None, null=True, blank=True,
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choices=LIMIT_VISIBILITY_IN_MENU_CHOICES, db_index=True,
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help_text=_("limit when this page is visible in the menu"))
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is_home = models.BooleanField(editable=False, db_index=True, default=False)
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application_urls = models.CharField(_('application'), max_length=200, blank=True, null=True, db_index=True)
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application_namespace = models.CharField(_('application instance name'), max_length=200, blank=True, null=True)
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# Placeholders (plugins)
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placeholders = models.ManyToManyField('cms.Placeholder', editable=False)
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# Publisher fields
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publisher_is_draft = models.BooleanField(default=True, editable=False, db_index=True)
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# This is misnamed - the one-to-one relation is populated on both ends
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publisher_public = models.OneToOneField(
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'self',
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on_delete=models.CASCADE,
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related_name='publisher_draft',
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null=True,
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editable=False,
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)
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languages = models.CharField(max_length=255, editable=False, blank=True, null=True)
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# X Frame Options for clickjacking protection
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xframe_options = models.IntegerField(
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choices=X_FRAME_OPTIONS_CHOICES,
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default=get_cms_setting('DEFAULT_X_FRAME_OPTIONS'),
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)
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# Flag that marks a page as page-type
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is_page_type = models.BooleanField(default=False)
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node = models.ForeignKey(
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TreeNode,
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related_name='cms_pages',
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on_delete=models.CASCADE,
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)
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```

‎content/pages/examples/django/django-urls-path.markdown‎

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title: django.urls.path Examples
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category: page
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slug: django-urls-path-examples
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sortorder: 5000
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sortorder: 50000
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toc: False
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sidebartitle: django.urls.path Examples
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meta: Python code examples for the path function within the django.urls module of the Django project.

‎theme/templates/table-of-contents.html‎

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{% for a in articles %}<h4 class="bp"><a href="/blog/{{ a.slug }}.html">{{ a.title }}</a></h4>{% endfor %}
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</div>
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<div class="c3">
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<h2>Books &amp; Videos</h2>
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<h2>Example Code</h2>
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<h4 class="bp"><a href="/django-conf-urls-url-examples.html">django.conf.urls.url</a></h4>
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<br>
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<h2><a href="https://www.deploypython.com/">Books &amp; Videos</a></h2>
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<h4 class="bp"><a href="https://training.talkpython.fm/courses/explore_ansible/introduction-to-ansible-with-python">Introduction to Ansible</a></h4>
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<h4 class="bp"><a href="https://training.talkpython.fm/courses/explore_entrepreneurs/python-for-entrepreneurs-build-and-launch-your-online-business">Python for Entrepreneurs</a></h4>
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<h4 class="bp"><a href="https://www.deploypython.com/">Deploying Flask Web Apps</a></h4>

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