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<path fill-rule="evenodd"
d="M8 1.5A3.5 3.5 0 004.5 5v2.947c0 .346-.102.683-.294.97l-1.703 2.556a.018.018 0 00-.003.01l.001.006c0 .002.002.004.004.006a.017.017 0 00.006.004l.007.001h10.964l.007-.001a.016.016 0 00.006-.004.016.016 0 00.004-.006l.001-.007a.017.017 0 00-.003-.01l-1.703-2.554a1.75 1.75 0 01-.294-.97V5A3.5 3.5 0 008 1.5zM3 5a5 5 0 0110 0v2.947c0 .05.015.098.042.139l1.703 2.555A1.518 1.518 0 0113.482 13H2.518a1.518 1.518 0 01-1.263-2.36l1.703-2.554A.25.25 0 003 7.947V5z">
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</svg>
</a>
</notification-indicator>
</div>
<div class="Header-item position-relative d-none d-md-flex">
<details class="details-overlay details-reset">
<summary class="Header-link" aria-label="Create new…"
data-hydro-click="{"event_type":"analytics.event","payload":{"category":"Header","action":"create new","label":"icon:add","originating_url":"https://github.com/LambdaSchool/CS-Data-Science-Build-Week-1","user_id":66654881}}"
data-hydro-click-hmac="15885b8f8e3953e8b54b11c22c41d37292b4b64a046a5309ee9c7b49a5f45996">
<svg aria-hidden="true" height="16" viewBox="0 0 16 16" version="1.1" width="16" data-view-component="true"
class="octicon octicon-plus">
<path fill-rule="evenodd"
d="M7.75 2a.75.75 0 01.75.75V7h4.25a.75.75 0 110 1.5H8.5v4.25a.75.75 0 11-1.5 0V8.5H2.75a.75.75 0 010-1.5H7V2.75A.75.75 0 017.75 2z">
</path>
</svg> <span class="dropdown-caret"></span>
</summary>
<details-menu class="dropdown-menu dropdown-menu-sw">
<a role="menuitem" class="dropdown-item" href="/new" data-ga-click="Header, create new repository">
New repository
</a>
<a role="menuitem" class="dropdown-item" href="/new/import" data-ga-click="Header, import a repository">
Import repository
</a>
<a role="menuitem" class="dropdown-item" href="https://gist.github.com/"
data-ga-click="Header, create new gist">
New gist
</a>
<a role="menuitem" class="dropdown-item" href="/organizations/new"
data-ga-click="Header, create new organization">
New organization
</a>
</details-menu>
</details>
</div>
<div class="Header-item position-relative mr-0 d-none d-md-flex">
<details class="details-overlay details-reset js-feature-preview-indicator-container"
data-feature-preview-indicator-src="/users/bgoonz/feature_preview/indicator_check">
<summary class="Header-link" aria-label="View profile and more"
data-hydro-click="{"event_type":"analytics.event","payload":{"category":"Header","action":"show menu","label":"icon:avatar","originating_url":"https://github.com/LambdaSchool/CS-Data-Science-Build-Week-1","user_id":66654881}}"
data-hydro-click-hmac="c188b286cb3eb4f511d497fb62e7086a13bf24e05635d5fbe6c01d8bf14e6164">
<img src="https://avatars.githubusercontent.com/u/66654881?s=40&v=4" alt="@bgoonz" size="20" height="20"
width="20" data-view-component="true" class="avatar-user avatar avatar-small"></img>
<span class="feature-preview-indicator js-feature-preview-indicator" style="top: 1px;" hidden></span>
<span class="dropdown-caret"></span>
</summary>
<details-menu class="dropdown-menu dropdown-menu-sw" style="width: 180px" src="/users/66654881/menu" preload>
<include-fragment>
<p class="text-center mt-3" data-hide-on-error>
<svg style="box-sizing: content-box; color: var(--color-icon-primary);" width="32" height="32"
viewBox="0 0 16 16" fill="none" data-view-component="true" class="anim-rotate">
<circle cx="8" cy="8" r="7" stroke="currentColor" stroke-opacity="0.25" stroke-width="2"
vector-effect="non-scaling-stroke" />
<path d="M15 8a7.002 7.002 0 00-7-7" stroke="currentColor" stroke-width="2" stroke-linecap="round"
vector-effect="non-scaling-stroke" />
</svg>
</p>
<p class="ml-1 mb-2 mt-2 color-fg-default" data-show-on-error>
<svg aria-hidden="true" height="16" viewBox="0 0 16 16" version="1.1" width="16"
data-view-component="true" class="octicon octicon-alert">
<path fill-rule="evenodd"
d="M8.22 1.754a.25.25 0 00-.44 0L1.698 13.132a.25.25 0 00.22.368h12.164a.25.25 0 00.22-.368L8.22 1.754zm-1.763-.707c.659-1.234 2.427-1.234 3.086 0l6.082 11.378A1.75 1.75 0 0114.082 15H1.918a1.75 1.75 0 01-1.543-2.575L6.457 1.047zM9 11a1 1 0 11-2 0 1 1 0 012 0zm-.25-5.25a.75.75 0 00-1.5 0v2.5a.75.75 0 001.5 0v-2.5z">
</path>
</svg>
Sorry, something went wrong.
</p>
</include-fragment>
</details-menu>
</details>
</div>
</header>
</div>
<div id="start-of-content" class="show-on-focus"></div>
<div data-pjax-replace id="js-flash-container">
<template class="js-flash-template">
<div class="flash flash-full {{ className }}">
<div class=" px-2">