reformatted

Author: codewithmide

Caesars_Cipher/Caesars_Cipher.md

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 One of the simplest and most widely known ciphers is a `Caesar cipher`, also known as a `shift cipher`. In a shift cipher the meanings of the letters are shifted by some set amount.
 
-A common modern use is the `[ROT13](https://www.freecodecamp.org/news/how-to-code-the-caesar-cipher-an-introduction-to-basic-encryption-3bf77b4e19f7/) cipher`, where the values of the letters are shifted by 13 places. Thus `A ↔ N`, `B ↔ O` and so on.
+A common modern use is the [ROT13](https://www.freecodecamp.org/news/how-to-code-the-caesar-cipher-an-introduction-to-basic-encryption-3bf77b4e19f7/) cipher, where the values of the letters are shifted by 13 places. Thus `A ↔ N`, `B ↔ O` and so on.
 
-Write a function which takes a `[ROT13](https://www.freecodecamp.org/news/how-to-code-the-caesar-cipher-an-introduction-to-basic-encryption-3bf77b4e19f7/) cipher` encoded string as input and returns a decoded string.
+Write a function which takes a [ROT13](https://www.freecodecamp.org/news/how-to-code-the-caesar-cipher-an-introduction-to-basic-encryption-3bf77b4e19f7/) cipher encoded string as input and returns a decoded string.
 
 All letters will be uppercase. Do not transform any non-alphabetic character (i.e. spaces, punctuation), but do pass them on.

Caesars_Cipher/README.md

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+# Check [Caesars_Cipher.md](https://github.com/codewithmide/JavaScript-Algorithms-and-Data-Structures-Projects/blob/master/Caesars_Cipher/Caesars_Cipher.md)
+
+`rot13("SERR PBQR PNZC")` should decode to the string `FREE CODE CAMP`
+`rot13("SERR CVMMN!")` should decode to the string `FREE PIZZA!`
+`rot13("SERR YBIR?")` should decode to the string `FREE LOVE?`
+`rot13("GUR DHVPX OEBJA SBK WHZCF BIRE GUR YNML QBT.")` should decode to the string `THE QUICK BROWN FOX JUMPS OVER THE LAZY DOG`.