save project

g.py

+def new_input():
+    total = []
+    while True:
+        try:
+            unit= input("请输入：")
+            price=int(unit)
+        except:
+            if unit== 'q':
+                break
+            else:
+                print("请输入整数或者q")
+        else:
+            total.append(price)
+    return total
+
+def sum(list):
+    n=0
+    for i in list:
+        n+=i
+    return n
+a=new_input()
+print(sum(a))