save project

2.py

+def new_aa():
+    a=[]
+    while True:
+        went1 = input("请输入价格：(按q退出)")
+        if went1 == 'q'
+            break
+        try:
+            a = int(went1) 
+        except:
+            print("请重新输入一个数字")
+        else:
+            a.append(a)
+        finally:
+            print("-"*30)
+            return a 
+    print(a)  
+    
+new_aa() 
+                     
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