Check out example codes for "ol types". It will help you in understanding the concepts better.

Code Example 1

<ol type="1">
  <li>The list items will be bulleted with numbers (default)</li>
</ol>
<ol type="A">
  <li>The list items will be bulleted with Capital(UPPERCASE) letters</li>
</ol>
<ol type="a">
  <li>The list items will be bulleted with with small(lowercase) letters</li>
</ol>
<ol type="I">
  <li>The list items will be bulleted with with Capital(UPPERCASE) Roman letters</li>
</ol>
<ol type="i">
  <li>The list items will be bulleted with with small(lowercase) Roman letters</li>
</ol>

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