fix

main.py

@@ -0,0 +1,18 @@
+#!/usr/bin/env python3
+
+from poker_task3.task3 import runTask3
+
+
+def main():
+    """task3的主入口点"""
+    print("=== task3：扑克牌TURN阶段EMD距离计算 ===")
+    
+    distance = runTask3()
+    if distance is not None:
+        print(f"EMD距离: {distance}")
+    
+    return distance
+
+
+if __name__ == "__main__":
+    main()