save project

func.py

@@ -5,6 +5,22 @@ def a():
         if unit== 'q':
             break
         else:
+            try:
+                unit=int(unit)
+            except:
+                print("shizi")
+            else:
                 total.append(unit)
             print(total)
-a()
\ No newline at end of file
+    
+    return total
+
+
+def sum(money):
+    count=0
+    for i in money:
+        count=count+1
+    return count
+price=a()
+pay=sum(price)
+print(str(pay)+"元")
\ No newline at end of file