Final day readme.

Author: mikeckennedy

days/100-freestyle/README.md

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+# Day 100 - Freestyle
+
+Today is the final day of your #100DaysOfCode. Congratulations. That is an amazing achievement. 
+
+Now it's your turn to do a little freestyling. Is there a segment's project that you didn't get finished? Go back and complete that one. Is there some way you wanted to extend something you've already built? Do that. If you just want to try something entirely off-script, be our guest. You've earned it.
+
+### Time to share what you've accomplished!
+
+This is especially relevant today! Share your last couple of days work on Twitter or Facebook. Use the hashtag **#100DaysOfCode**. 
+
+Here are [some examples](https://twitter.com/search?q=%23100DaysOfCode) to inspire you. Consider including [@talkpython](https://twitter.com/talkpython) and [@pybites](https://twitter.com/pybites) in your tweets.
+
+*See a mistake in these instructions? Please [submit a new issue](https://github.com/talkpython/100daysofcode-with-python-course/issues) or fix it and [submit a PR](https://github.com/talkpython/100daysofcode-with-python-course/pulls).*