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adding a condition
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@ -4,8 +4,9 @@
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Write a program that concatenates two arguments and prints the result:
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- If the number of arguments is not 2, return newline.
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- If the two arguments are empty return newline.
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- If the number of arguments is not 2, return a newline.
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- If only one of the arguments is empty, print the other.
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- If the two arguments are empty return a newline.
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### Usage
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