@ -2,7 +2,7 @@
### Instructions
Write a program that prints the previous and next alphabet of a given alphabet.
Write a program that prints the previous and next alphabet of the alphabet.
- If the number of arguments is different from `1`, print (`'\n'`).
- If the length of the argument is different from `1`, print (`'\n'`)
- If the argument is not a letter, print (`'\n'`)