save project

func.py

 def er():
 def er():
-    try:
+    #定义一个列表，用来存放价格
         total = []
         total = []
-        while True:            
+        while True: 
+            #提示用户输入，用unit变量接受输入的值          
+            unit=int(input('请输入‘按q退出'))
+            if unit=='q':
+                break
+            else:
+                try:
+                    unit=int(unit)
+                except:
+                    print('请输入一个整数')
+                else:
+                    total.append(unit)
+            print(total)
+        return total
 
 
-    except:
-        print('要输入整数')
-    
+er()
+                
\ No newline at end of file
-    else:
-                unit= int(input("请输入："))        
-        if unit== 'q':
-            break
-        else:
-            total.append(unit)
-print(total)
-er()
\ No newline at end of file