Move away from Python Interop for better stability

WebServer/AIPython/currentprice.py

@@ -1,7 +1,19 @@
+import sys
 import yfinance as yf
 
-def getCurrentPrice(symbol):
+def getCurrentPrice():
+
+    # Get the Symbol from ARGV
+    symbol = sys.argv[1]
+
     ticker = yf.Ticker(symbol)
     data = ticker.history(period="1d", interval="1m")
     current_price = data['Close'].iloc[-1]
-    return current_price
+
+    # Return to C# via stdout
+    print(f"---RESULT_START---")
+    print(current_price)
+    print(f"---RESULT_END---")
+
+if __name__ == "__main__":
+    getCurrentPrice()