Create my_functions.py

my_functions.py

@@ -0,0 +1,23 @@
+import yfinance as yf
+
+# 예시: 기존 제품 카탈로그
+product_catalog = {
+    "807ZPKBL9V": "SuperWidget",
+    "1234567890": "MegaGadget"
+}
+
+def get_product_name_by_PID(PID: str) -> str:
+    """
+    Finds the name of a product by its Product ID
+    """
+    return product_catalog.get(PID, "Unknown product")
+
+def get_stock_price(ticker: str) -> float:
+    """
+    Retrieves the latest stock price for a given ticker using yfinance.
+    """
+    stock = yf.Ticker(ticker)
+    data = stock.history(period="1d")
+    if not data.empty:
+        return data['Close'].iloc[-1]
+    return float('nan')