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+## displayp
+
+### Instructions
+
+Write a program that displays a character `P` followed by a newline `\n`.
+
+### Usage
+
+```console
+$ go run . | cat -e
+P$
+$
+$ go run . "a" "b" | cat -e
+P$
+$
+$ go run . "a" "b" "c" | cat -e
+P$
+$
+```