save project

func.py

@@ -12,5 +12,16 @@ def new_ghgdh():
             else:
                 total.append(unit)
     return total
+
 lbbnn=new_ghgdh()  
-print(lbbnn)  
\ No newline at end of file
+print(lbbnn)  
+def sum(unit):
+    comm=0
+    for i in unit:
+        comm=comm+1
+    return comm
+
+
+LWXZBC = new_ghgdh()
+pay=sum(LWXZBC)
+print(("一共消费"+str(pay)+"元,扫码还是现金")
\ No newline at end of file