|
|
@ -6,7 +6,7 @@ |
|
|
|
- If the number of arguments is different from `1`, print (`'\n'`). |
|
|
|
- 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 length of the argument is different from `1`, print (`'\n'`) |
|
|
|
- If the argument is not a letter, print (`'\n'`) |
|
|
|
- If the argument is not a letter, print (`'\n'`) |
|
|
|
- Print the previous alphabet and the next alphabet except for the last alphabet of the alphabet. |
|
|
|
- Print the previous alphabet and the next alphabet except for the last and the first alphabet of the alphabet. |
|
|
|
|
|
|
|
|
|
|
|
### Usage |
|
|
|
### Usage |
|
|
|
|
|
|
|
|
|
|
|