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Untitled22-1.py

+  
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diy2.py

 def wer():
 def wer():
     total=[]
     total=[]
     while True:
     while True:
-        a=input("请输入：")
+        a=input("请输入单价（q退出）")
         if a=='q':
         if a=='q':
             break
             break
         else:
         else:
-            total.append(a)
-    print(total)
-wer()
+            try:
+                a=int(a)
+            except:
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+                print('请输入一个数字')
+            else:
+                total.append(a)
+            finally:
+                print('-'*30)
+    return total
+aa = wer()
+print(aa)
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