auto save

func.py

+def new_input():
+    total = []
+    while True:
+        unit=(input("请输入单价（q退出）："))
+        if unit== 'q':
+            break
+        else:
+            try:    
+                unit=int(unit)
+            except:
+                print("请重新输入一个数字")
+            else:
+                total.append(unit)
+            finally：
+                print("-"*30)
+    print(total)
+new_input()
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