auto save

i.py

+goods=
\ No newline at end of file

健壮的程序.py

+def func():
+def func():
+    total = []
+    while True:
+        unit = input("请输入菜品价格")
+        if unit == 'q':
+            break
+        else:
+            try:
+                uint = int(unit)
+            except:
+                print("请输入正确的整数！")
+            else:
+                total.append(unit)
+    return total
+total = func()
+
+def sum(price):
+    count = 0
+    for i in price:
+        count = count + int(i)
+    return count
+
+price = sum(total)
+print(price)
\ No newline at end of file