Update codellama.md. Sample code fix. (huggingface#1806)

* Update codellama.md

Fix the sample code for on-going conversation with codellama instruct model. Line 260 should not have suffix append instruction instead it should be a simple value assignment.

* Update codellama.md

Co-authored-by: Pedro Cuenca <[email protected]>

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Co-authored-by: Pedro Cuenca <[email protected]>

Author: adumrewal

codellama.md

@@ -256,8 +256,8 @@ user_2 = "user_prompt_2"
 answer_2 = "answer_2"
 user_3 = "user_prompt_3"
 
-prompt  = f"<<SYS>>\\n{system}\\n<</SYS>>\\n\\n{user_1}"
-prompt += f"<s>[INST] {prompt.strip()} [/INST] {answer_1.strip()} </s>"
+prompt  = f"<<SYS>>\n{system}\n<</SYS>>\n\n{user_1}"
+prompt  = f"<s>[INST] {prompt.strip()} [/INST] {answer_1.strip()} </s>"
 prompt += f"<s>[INST] {user_2.strip()} [/INST] {answer_2.strip()} </s>"
 prompt += f"<s>[INST] {user_3.strip()} [/INST]"