Update myprompts.py

myprompts.py

@@ -9,4 +9,7 @@ take time to analyse the steps to answer the question.
 if a filename is given in the question you can infer the url 
 """
 
-output_format = "Answer: <short concise answer, no explanations>"
+
+output_format = """OUTPUT FORMAT should be a number OR as few words as possible OR a comma separated list of numbers and/or strings.
+ If you are asked for a number, don't use comma to write your number neither use units such as $ or percent sign unless specified otherwise, use digits only.
+ If you are asked for a string, don't use articles, neither abbreviations (e.g. for cities), and write the digits in plain text unless specified otherwise. If you are asked for a comma separated list, apply the above rules depending of whether the element to be put in the list is a number or a string."""