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@ -3,8 +3,8 @@ |
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### Instructions |
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### Instructions |
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Write a program that prints the previous and next alphabet of the alphabet. |
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Write a program that prints the previous and next alphabet of the alphabet. |
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- If the number of arguments is different from `1`, 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 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 argument is not a letter, print (`'\n'`) |
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- Print the previous alphabet and the next alphabet except for the last and the first alphabet of the alphabet. |
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- Print the previous alphabet and the next alphabet except for the last and the first alphabet of the alphabet. |
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