save project

as.py

+def na():
+    total = []
+    while True:
+        unit = input("请输入价格。。。")
+        if unit == "q":
+            break
+        try:
+            unit = int(unit)
+        except:
+            print("请输入一个整数！")
+        else:
+            total.append(unit)
+    print(total)
+
+na()
+