Update app.py

add another tool

app.py

@@ -10,14 +10,32 @@ 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
-    #Keep this format for the description / args / args description but feel free to modify the tool
-    """A tool that does nothing yet 
+def get_chinese_zodiac_sign(year: int = None) -> str:
+    """
+    A tool that translates a Gregorian year into its corresponding Chinese Zodiac animal sign.
+
+    The Chinese Zodiac cycle is based on a 12-year cycle, with each year
+    assigned to an animal. The cycle starts with the Rat.
+
     Args:
-        arg1: the first argument
-        arg2: the second argument
+        year (int): The Gregorian calendar year (e.g., 1997, 2025).
+
+    Returns:
+        str: The name of the Chinese Zodiac animal sign.
     """
-    return "What magic will you build ?"
+    
+    # 1. List of 12 animals in order, starting with Rat
+    zodiac_signs = [
+        "Rat", "Ox", "Tiger", "Rabbit", "Dragon", "Snake", 
+        "Horse", "Goat", "Monkey", "Rooster", "Dog", "Pig"
+    ]
+
+    # 2. Calculate the index: 1900 was the year of the Rat (index 0).
+    # The modulo 12 operation ensures the index wraps around correctly.
+    index = (year - 1900) % 12
+
+    # 3. Return the animal sign at the calculated index
+    return zodiac_signs[index]
 
 @tool
 def get_a_joke(keyword: str = None) -> str: