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@ -3,14 +3,14 @@
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## front-back |
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- Write a program that prints the previous and next alphabet of a given alphabet. |
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- If the number of arguments is different from `1`, print `"\n"`. |
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- If the length of the argument is different from `1`, print `"\n"` |
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- If the argument is not a letter, print `"\n"` |
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- If the number of arguments is different from `1`, print (`'\n'`). |
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- If the length of the argument is different from `1`, print (`'\n'`) |
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- If the argument is not a letter, print (`'\n'`) |
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- Print the previous alphabet and the next alphabet except for the last alphabet of the alphabet. |
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### Usage |
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```shell |
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```console |
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$ go run . | cat -e |
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$ |
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$ go run . a | cat -e |
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hamza
2 years ago
committed by