save project

day4.py

+def new_input():
+    total = []
+    while True:
+        unit = input('请输入（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)
+            print("-"*30)
+    return total
+
+def sum(money):
+    conution = 0
+    for i in money:
+        conution=conution+i
+    return conution
+rew=new_input()
+eew=sum(rew)
+print("消费了"+str(eew)+"元")
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