Update app.py

>Added New Tool for finding research paper using arXiv.

app.py

@@ -4,19 +4,29 @@ import requests
 import pytz
 import yaml
 from tools.final_answer import FinalAnswerTool
-
+import urllib, urllib.request
+import xml.etree.ElementTree as ET
 from Gradio_UI import GradioUI
 
 # Below is an example of a tool that does nothing. Amaze us with your creativity !
 @tool
-def my_custom_tool(arg1:str, arg2:int)-> str: #it's import to specify the return type
+def my_arxiv_tool(keyword:str, n:int)-> str: #it's import to specify the return type
     #Keep this format for the description / args / args description but feel free to modify the tool
-    """A tool that does nothing yet 
+    """A tool that returns "n" research paper links for given keyword on arXiv.
     Args:
-        arg1: the first argument
-        arg2: the second argument
+        keyword:a keyword related to research paper.
+        n: number of research papers.
     """
-    return "What magic will you build ?"
+    url = f'http://export.arxiv.org/api/query?search_query=all:{keyword}&year=2002&start=0&max_results=1'
+    data = urllib.request.urlopen(url)
+    xml_string = data.read().decode('utf-8')
+
+    # Parse the XML string
+    root = ET.fromstring(xml_string)
+
+    # Convert the XML to a string
+    result_string = ET.tostring(root, encoding='unicode', method='xml')
+    return result_string
 
 @tool
 def get_current_time_in_timezone(timezone: str) -> str:
@@ -55,7 +65,7 @@ with open("prompts.yaml", 'r') as stream:
     
 agent = CodeAgent(
     model=model,
-    tools=[final_answer], ## add your tools here (don't remove final answer)
+    tools=[my_arxiv_tool,final_answer], ## add your tools here (don't remove final answer)
     max_steps=6,
     verbosity_level=1,
     grammar=None,