auto save

func.py

+
+def sum_price():
+    total = []
+    tmp=""
+    sum=0
+    while True:
+        tmp=input("请输入：")
+        try:
+            unit=int(tmp) 
+        except:
+            if tmp== 'q':
+                break
+            else:
+                print("输入数字，价格为数字")      
+        else:
+            total.append(unit)
+    print(total)
+    
+    return total
+    
+
+sum=0
+plist=sum_price()
+
+for e in plist:
+    sum=sum+e
+
+
+print(sum)
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