auto save

func.py

+def new_input()
+    total = []
+while True:
+    unit = input('请输入菜品价格')
+    if unit==q:
+        break
+    else：
+        total.append(unit)
+        try:
+            unit=int(unit)
+        except:
+            print('SB') 
+        else:
+            total.append(unit)
+            print('-'*30)    
+    print(total)
+new_input()
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