Challenge 17 - Decode the Secret
Now 👋 Welcome Gophers! In this challenge, you are tasked with decoding the secret message.
You will need to implement the DecodeSecret function which will take in a string that has been encoded using base64 encoding and decode this string.
This decoded string will be the result of a caesar cipher which has shifted all of the characters of the string up by 1 place. So you will have to ensure that when you return the result, it also decodes this cipher.
Feel free to have a look at the forum discussion thread for this challenge and contribute with your own solutions here
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