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subjects/samecase/REDME.md

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+## Same-Case 
+
+### Instructions
+
+Write a program that takes 2 characters as arguments and does the following:
+- If either of the characters is not a letter, return -1.
+- If both characters are the same case, return 1.
+- If both characters are letters but not the same case, return 0.
+- A newline character should follow all outputs.
+- If the argument is more than one character or if it's empty, return a newline.
+  
+### Usage
+
+```console
+$ go run . | cat -e
+$
+$ go run . "p" "w"| cat -e
+1$
+$ go run . "p" "Q" | cat -e
+0$
+$ go run . "p" "4"  | cat -e
+-1$
+$ go run . "P" "Q" "W" | cat -e
+$
+$ go run . A b  | cat -e
+0$
+```