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              <h4 class="f6 text-normal my-3">Suggestions:</h4>
              <div class="mx-3 mt-2 clearfix">
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                      <button type="button" value=":palm_tree:" class="d-flex flex-items-baseline flex-items-stretch lh-condensed f6 btn-link link-gray no-underline js-predefined-user-status mb-1">
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                        <div class="d-flex flex-items-center no-underline js-predefined-user-status-message ws-normal text-left" style="border-left: 1px solid transparent">
                          On vacation
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                      <button type="button" value=":face_with_thermometer:" class="d-flex flex-items-baseline flex-items-stretch lh-condensed f6 btn-link link-gray no-underline js-predefined-user-status mb-1">
                        <div class="emoji-status-width mr-2 v-align-middle js-predefined-user-status-emoji">
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                        </div>
                        <div class="d-flex flex-items-center no-underline js-predefined-user-status-message ws-normal text-left" style="border-left: 1px solid transparent">
                          Out sick
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                      </button>
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                      <button type="button" value=":house:" class="d-flex flex-items-baseline flex-items-stretch lh-condensed f6 btn-link link-gray no-underline js-predefined-user-status mb-1">
                        <div class="emoji-status-width mr-2 v-align-middle js-predefined-user-status-emoji">
                          <g-emoji alias="house" fallback-src="https://github.githubassets.com/images/icons/emoji/unicode/1f3e0.png">🏠</g-emoji>
                        </div>
                        <div class="d-flex flex-items-center no-underline js-predefined-user-status-message ws-normal text-left" style="border-left: 1px solid transparent">
                          Working from home
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                      </button>
                      <button type="button" value=":dart:" class="d-flex flex-items-baseline flex-items-stretch lh-condensed f6 btn-link link-gray no-underline js-predefined-user-status mb-1">
                        <div class="emoji-status-width mr-2 v-align-middle js-predefined-user-status-emoji">
                          <g-emoji alias="dart" fallback-src="https://github.githubassets.com/images/icons/emoji/unicode/1f3af.png">🎯</g-emoji>
                        </div>
                        <div class="d-flex flex-items-center no-underline js-predefined-user-status-message ws-normal text-left" style="border-left: 1px solid transparent">
                          Focusing
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                      </button>
                  </div>
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                  Busy
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                  When others mention you, assign you, or request your review,
                  GitHub will let them know that you have limited availability.
                </p>
              </div>
            </div>
          </div>
          <div class="d-inline-block f5 mr-2 pt-3 pb-2" >
  <div class="d-inline-block mr-1">
    Clear status
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  <details class="js-user-status-expire-drop-down f6 dropdown details-reset details-overlay d-inline-block mr-2">
    <summary class="f5 btn-link link-gray-dark border px-2 py-1 rounded-1" aria-haspopup="true">
      <div class="js-user-status-expiration-interval-selected d-inline-block v-align-baseline">
        Never
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      <div class="dropdown-caret"></div>
    </summary>

    <ul class="dropdown-menu dropdown-menu-se pl-0 overflow-auto" style="width: 220px; max-height: 15.5em">
      <li>
        <button type="button" class="btn-link dropdown-item js-user-status-expire-button ws-normal" title="Never">
          <span class="d-inline-block text-bold mb-1">Never</span>
          <div class="f6 lh-condensed">Keep this status until you clear your status or edit your status.</div>
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      </li>
      <li class="dropdown-divider" role="none"></li>
        <li>
          <button type="button" class="btn-link dropdown-item ws-normal js-user-status-expire-button" title="in 30 minutes" value="2020-05-06T20:21:56+01:00">
            in 30 minutes
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        <li>
          <button type="button" class="btn-link dropdown-item ws-normal js-user-status-expire-button" title="in 1 hour" value="2020-05-06T20:51:56+01:00">
            in 1 hour
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        <li>
          <button type="button" class="btn-link dropdown-item ws-normal js-user-status-expire-button" title="in 4 hours" value="2020-05-06T23:51:56+01:00">
            in 4 hours
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        </li>
        <li>
          <button type="button" class="btn-link dropdown-item ws-normal js-user-status-expire-button" title="today" value="2020-05-06T23:59:59+01:00">
            today
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        </li>
        <li>
          <button type="button" class="btn-link dropdown-item ws-normal js-user-status-expire-button" title="this week" value="2020-05-10T23:59:59+01:00">
            this week
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        </li>
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  <input class="js-user-status-expiration-date-input" type="hidden" name="expires_at" value="">
</div>

          <include-fragment class="js-user-status-org-picker" data-url="/users/status/organizations"></include-fragment>
        </div>
        <div class="d-flex flex-items-center flex-justify-between p-3 border-top">
          <button type="submit" disabled class="width-full btn btn-primary mr-2 js-user-status-submit">
            Set status
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          <button type="button" disabled class="width-full js-clear-user-status-button btn ml-2 ">
            Clear status
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</form>    </details-dialog>
  </details>
</div>

      </div>
      <div role="none" class="dropdown-divider"></div>

    <a role="menuitem" class="dropdown-item" href="/reisportela" data-ga-click="Header, go to profile, text:your profile">Your profile</a>

    <a role="menuitem" class="dropdown-item" href="/reisportela?tab=repositories" data-ga-click="Header, go to repositories, text:your repositories">Your repositories</a>

    <a role="menuitem" class="dropdown-item" href="/reisportela?tab=projects" data-ga-click="Header, go to projects, text:your projects">Your projects</a>

    <a role="menuitem" class="dropdown-item" href="/reisportela?tab=stars" data-ga-click="Header, go to starred repos, text:your stars">Your stars</a>
      <a role="menuitem" class="dropdown-item" href="https://gist.github.com/mine" data-ga-click="Header, your gists, text:your gists">Your gists</a>


    <div role="none" class="dropdown-divider"></div>
      
<div id="feature-enrollment-toggle" class="hide-sm hide-md feature-preview-details position-relative">
  <button
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    role="menuitem"
    data-feature-preview-trigger-url="/users/reisportela/feature_previews"
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    data-hydro-click-hmac="bedbc961eb095b2cd249d8bf228331b13a226af7916854cc0b2fe40b001883f1"
  >
    Feature preview
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    <span class="feature-preview-indicator js-feature-preview-indicator" hidden></span>
</div>

    <a role="menuitem" class="dropdown-item" href="https://help.github.com" data-ga-click="Header, go to help, text:help">Help</a>
    <a role="menuitem" class="dropdown-item" href="/settings/profile" data-ga-click="Header, go to settings, icon:settings">Settings</a>
    <!-- '"` --><!-- </textarea></xmp> --></option></form><form class="logout-form" action="/logout" accept-charset="UTF-8" method="post"><input type="hidden" name="authenticity_token" value="mfcBiNRu/UskmKnsC4ZPeN8DhFJo+M94ZXYBgQI8uoZpm0YHebR25uPwSaZhfeljrT4E4mHNf2o2XJFtRYCnMA==" />
      
      <button type="submit" class="dropdown-item dropdown-signout" data-ga-click="Header, sign out, icon:logout" role="menuitem">
        Sign out
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      <input type="text" name="required_field_2db3" hidden="hidden" class="form-control" /><input type="hidden" name="timestamp" value="1588791116533" class="form-control" /><input type="hidden" name="timestamp_secret" value="6783713640806f8b42e4e6badcf45b56b13345c8c914770b33fb1752d067d8d8" class="form-control" />
</form>  </details-menu>
</details>

  </div>

</header>

        
    </div>

  <div id="start-of-content" class="show-on-focus"></div>


    <div id="js-flash-container">


  <template class="js-flash-template">
    <div class="flash flash-full  js-flash-template-container">
  <div class="container-lg px-2" >
    <button class="flash-close js-flash-close" type="button" aria-label="Dismiss this message">
      <svg class="octicon octicon-x" viewBox="0 0 12 16" version="1.1" width="12" height="16" aria-hidden="true"><path fill-rule="evenodd" d="M7.48 8l3.75 3.75-1.48 1.48L6 9.48l-3.75 3.75-1.48-1.48L4.52 8 .77 4.25l1.48-1.48L6 6.52l3.75-3.75 1.48 1.48L7.48 8z"></path></svg>
    </button>
    
      <div class="js-flash-template-message"></div>

  </div>
</div>
  </template>
</div>


  <include-fragment class="js-notification-shelf-include-fragment" data-base-src="https://github.com/notifications/beta/shelf"></include-fragment>


  <div class="application-main " data-commit-hovercards-enabled>
        <div itemscope itemtype="http://schema.org/SoftwareSourceCode" class="">
    <main  >
      

      <div class="border-bottom shelf intro-shelf js-notice mb-0 pb-4">
  <div class="width-full container">
    <div class="width-full mx-auto shelf-content">
      <h2 class="shelf-title">Learn Git and GitHub without any code!</h2>
      <p class="shelf-lead">
          Using the Hello World guide, you’ll start a branch, write comments, and open a pull request.
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      <a class="btn btn-primary shelf-cta" target="_blank" data-hydro-click="{&quot;event_type&quot;:&quot;repository.click&quot;,&quot;payload&quot;:{&quot;target&quot;:&quot;READ_GUIDE&quot;,&quot;repository_id&quot;:98230295,&quot;originating_url&quot;:&quot;https://github.com/binder-examples/requirements/blob/master/index.ipynb&quot;,&quot;user_id&quot;:11340267}}" data-hydro-click-hmac="0e6c06a53690f72f250530bd30d2141dd22eb51a4e338fcc49ab6c2cc582102b" href="https://guides.github.com/activities/hello-world/">Read the guide</a>
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    <!-- '"` --><!-- </textarea></xmp> --></option></form><form class="shelf-dismiss js-notice-dismiss" action="/dashboard/dismiss_bootcamp" accept-charset="UTF-8" method="post"><input type="hidden" name="_method" value="delete" /><input type="hidden" name="authenticity_token" value="SfgllJ8n5F2UxB6Mnt2D+CACCAWPQUL4PHp/oylYz2Mk4FlhAPDsENJnxSKCY8s3/D/qkulwf70BS+xyT278Sg==" />
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</button></form>  </div>
</div>


  <div class="pagehead repohead hx_repohead readability-menu bg-gray-light pb-0 pt-0 pt-lg-3">

    <div class="d-flex container-lg mb-4 p-responsive d-none d-lg-flex">

      <div class="flex-auto min-width-0 width-fit mr-3">
        <h1 class="public  d-flex flex-wrap flex-items-center break-word float-none ">
  <span class="flex-self-stretch" style="margin-top: -2px;">
        <svg class="octicon octicon-repo-template" viewBox="0 0 14 16" version="1.1" width="14" height="16" aria-hidden="true"><path fill-rule="evenodd" d="M12 8V1c0-.55-.45-1-1-1H1C.45 0 0 .45 0 1v12c0 .55.45 1 1 1h2v2l1.5-1.5L6 16v-4H3v1H1v-2h7v-1H2V1h9v7h1zM4 2H3v1h1V2zM3 4h1v1H3V4zm1 2H3v1h1V6zm0 3H3V8h1v1zm6 3H8v2h2v2h2v-2h2v-2h-2v-2h-2v2z"></path></svg>
  </span>
  <span class="author ml-2 flex-self-stretch" itemprop="author">
    <a class="url fn" rel="author" data-hovercard-type="organization" data-hovercard-url="/orgs/binder-examples/hovercard" href="/binder-examples">binder-examples</a>
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  <span class="path-divider flex-self-stretch">/</span>
  <strong itemprop="name" class="mr-2 flex-self-stretch">
    <a data-pjax="#js-repo-pjax-container" href="/binder-examples/requirements">requirements</a>
  </strong>
  <span class="Label Label--outline v-align-middle ">Template</span>
</h1>


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      <ul class="pagehead-actions flex-shrink-0 " >


  <li>
    
    <!-- '"` --><!-- </textarea></xmp> --></option></form><form data-remote="true" class="clearfix js-social-form js-social-container" action="/notifications/subscribe" accept-charset="UTF-8" method="post"><input type="hidden" name="authenticity_token" value="Sinln9c4EVflVSZ/ZTE/HlJxHz2s+/UKFD+CRx23newXm9ZYCL69DLq44xF5icbSlIPT5nLlF58JtZ+t9sQZ2g==" />      <input type="hidden" name="repository_id" value="98230295">

      <details class="details-reset details-overlay select-menu float-left">
        <summary class="select-menu-button float-left btn btn-sm btn-with-count" data-hydro-click="{&quot;event_type&quot;:&quot;repository.click&quot;,&quot;payload&quot;:{&quot;target&quot;:&quot;WATCH_BUTTON&quot;,&quot;repository_id&quot;:98230295,&quot;originating_url&quot;:&quot;https://github.com/binder-examples/requirements/blob/master/index.ipynb&quot;,&quot;user_id&quot;:11340267}}" data-hydro-click-hmac="44055817b4cbee8d262642d5191ca9bf91989ba5d178754cdb49351fadf56745" data-ga-click="Repository, click Watch settings, action:blob#show">          <span data-menu-button>
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              Watch
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              <div class="select-menu-item-text">
                <span class="select-menu-item-heading">Not watching</span>
                <span class="description">Be notified only when participating or @mentioned.</span>
                <span class="hidden-select-button-text" data-menu-button-contents>
                  <svg class="octicon octicon-eye v-align-text-bottom" viewBox="0 0 16 16" version="1.1" width="16" height="16" aria-hidden="true"><path fill-rule="evenodd" d="M8.06 2C3 2 0 8 0 8s3 6 8.06 6C13 14 16 8 16 8s-3-6-7.94-6zM8 12c-2.2 0-4-1.78-4-4 0-2.2 1.8-4 4-4 2.22 0 4 1.8 4 4 0 2.22-1.78 4-4 4zm2-4c0 1.11-.89 2-2 2-1.11 0-2-.89-2-2 0-1.11.89-2 2-2 1.11 0 2 .89 2 2z"></path></svg>
                  Watch
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            <button type="submit" name="do" value="release_only" class="select-menu-item width-full" aria-checked="false" role="menuitemradio">
              <svg class="octicon octicon-check select-menu-item-icon" viewBox="0 0 12 16" version="1.1" width="12" height="16" aria-hidden="true"><path fill-rule="evenodd" d="M12 5l-8 8-4-4 1.5-1.5L4 10l6.5-6.5L12 5z"></path></svg>
              <div class="select-menu-item-text">
                <span class="select-menu-item-heading">Releases only</span>
                <span class="description">Be notified of new releases, and when participating or @mentioned.</span>
                <span class="hidden-select-button-text" data-menu-button-contents>
                  <svg class="octicon octicon-eye v-align-text-bottom" viewBox="0 0 16 16" version="1.1" width="16" height="16" aria-hidden="true"><path fill-rule="evenodd" d="M8.06 2C3 2 0 8 0 8s3 6 8.06 6C13 14 16 8 16 8s-3-6-7.94-6zM8 12c-2.2 0-4-1.78-4-4 0-2.2 1.8-4 4-4 2.22 0 4 1.8 4 4 0 2.22-1.78 4-4 4zm2-4c0 1.11-.89 2-2 2-1.11 0-2-.89-2-2 0-1.11.89-2 2-2 1.11 0 2 .89 2 2z"></path></svg>
                  Unwatch releases
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            <button type="submit" name="do" value="subscribed" class="select-menu-item width-full" aria-checked="false" role="menuitemradio">
              <svg class="octicon octicon-check select-menu-item-icon" viewBox="0 0 12 16" version="1.1" width="12" height="16" aria-hidden="true"><path fill-rule="evenodd" d="M12 5l-8 8-4-4 1.5-1.5L4 10l6.5-6.5L12 5z"></path></svg>
              <div class="select-menu-item-text">
                <span class="select-menu-item-heading">Watching</span>
                <span class="description">Be notified of all conversations.</span>
                <span class="hidden-select-button-text" data-menu-button-contents>
                  <svg class="octicon octicon-eye v-align-text-bottom" viewBox="0 0 16 16" version="1.1" width="16" height="16" aria-hidden="true"><path fill-rule="evenodd" d="M8.06 2C3 2 0 8 0 8s3 6 8.06 6C13 14 16 8 16 8s-3-6-7.94-6zM8 12c-2.2 0-4-1.78-4-4 0-2.2 1.8-4 4-4 2.22 0 4 1.8 4 4 0 2.22-1.78 4-4 4zm2-4c0 1.11-.89 2-2 2-1.11 0-2-.89-2-2 0-1.11.89-2 2-2 1.11 0 2 .89 2 2z"></path></svg>
                  Unwatch
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            <button type="submit" name="do" value="ignore" class="select-menu-item width-full" aria-checked="false" role="menuitemradio">
              <svg class="octicon octicon-check select-menu-item-icon" viewBox="0 0 12 16" version="1.1" width="12" height="16" aria-hidden="true"><path fill-rule="evenodd" d="M12 5l-8 8-4-4 1.5-1.5L4 10l6.5-6.5L12 5z"></path></svg>
              <div class="select-menu-item-text">
                <span class="select-menu-item-heading">Ignoring</span>
                <span class="description">Never be notified.</span>
                <span class="hidden-select-button-text" data-menu-button-contents>
                  <svg class="octicon octicon-mute v-align-text-bottom" viewBox="0 0 16 16" version="1.1" width="16" height="16" aria-hidden="true"><path fill-rule="evenodd" d="M8 2.81v10.38c0 .67-.81 1-1.28.53L3 10H1c-.55 0-1-.45-1-1V7c0-.55.45-1 1-1h2l3.72-3.72C7.19 1.81 8 2.14 8 2.81zm7.53 3.22l-1.06-1.06-1.97 1.97-1.97-1.97-1.06 1.06L11.44 8 9.47 9.97l1.06 1.06 1.97-1.97 1.97 1.97 1.06-1.06L13.56 8l1.97-1.97z"></path></svg>
                  Stop ignoring
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            </button>
          </div>
        </details-menu>
      </details>
        <a class="social-count js-social-count"
          href="/binder-examples/requirements/watchers"
          aria-label="4 users are watching this repository">
          4
        </a>
</form>
  </li>

  <li>
      <div class="js-toggler-container js-social-container starring-container ">
    <form class="starred js-social-form" action="/binder-examples/requirements/unstar" accept-charset="UTF-8" method="post"><input type="hidden" name="authenticity_token" value="oTF+yB4Bx6f7Ow0ca3tZNd+atMzcMp/b/6Cx3eyljmRV745oV/1ywyZc7kwI0OezObMDr77Fxwui2r20aftPcQ==" />
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        Unstar
</button>        <a class="social-count js-social-count" href="/binder-examples/requirements/stargazers"
           aria-label="30 users starred this repository">
           30
        </a>
</form>
    <form class="unstarred js-social-form" action="/binder-examples/requirements/star" accept-charset="UTF-8" method="post"><input type="hidden" name="authenticity_token" value="huTXwy+GZFjDGqwn4EVQZ3giFbK9WckBdugOjq3H4DuYP5uGEvJNx58sg6f85jOwL2HWN4JkeYoc18xQQ2582Q==" />
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        Star
</button>        <a class="social-count js-social-count" href="/binder-examples/requirements/stargazers"
           aria-label="30 users starred this repository">
          30
        </a>
</form>  </div>

  </li>

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