g 買粉絲deword to the encrypted messag

if letter.upper() in nato_alphabet：

encrypted_message+=nato_alphabet[letter.upper() ] +“n

#I the Letter is not in the dictionary， add the original Letter to the encrypted message

else：

encrypted_message+=letter

return encrypted_message

message="HelloWorld"

encrypted_message=encrypt_message(message)

print("Encrypted message："， encrypted_message)