save project

func.py

@@ -5,6 +5,12 @@ def s():
         if unit== 'q':
         if unit== 'q':
             break
             break
         else:
         else:
-            total.append(unit)
+            try:
+                unit=int(unit)
+            except:
+                print('请输入一个数字')
+            else:    
+                total.append(unit)
+            print('-'*30)
     print(total)
     print(total)
 s()
 s()
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