auto save

func.py

+def collect_price():
+    total = []
+    while True:
+        unit = input("请输入：")  
+        if unit=='q':
+            break
+        else:
+            try:
+                a=int(unit)
+            except:
+                print("输入错误，请输入整数")
+            else:
+                total.append(a)
+    
+    return total
+    
+ 
+a=collect_price()
+print(a)
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