Create README.md

Author: Conper

README.md

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+# Fibonacci Sequence
+
+### Preview:
+![fibonacci](https://user-images.githubusercontent.com/79358509/224744395-d794b7d8-db30-4573-bf79-7489c0515fd8.gif)
+
+Application that calculates the number that is located in the selected position.<br>
+To make this App I have used the "Tkinter" library.<br>
+Python version: 3.9<br>
+To install the library copy the code below and copy it into the CMD console.
+```diff
+pip install tk
+```