save project

3.py

+def new():
+    z=[]
+    while True:
+        a=input("输入价格 ")
+        if a=="stop":
+            break
+        else:
+            try:
+                al=int(a)
+            except:
+                print("输入数字")
+            else:
+                z.append(al)
+    print(z)
+           
+new()
+
+
+
+