save project

func.py

-def sb():    
+
+def sb():
     total = []
     while True:
         unit= input("请输入：")
         if unit== 'cnm':
             break
         else:
-            total.append(unit)
+            try:
+                unit=int(unit)
+            except:
+                print('输数字')
+            else:
+                total.append(unit)
     print(total)
-sb()
\ No newline at end of file
+sb()