save project

func.py

@@ -5,6 +5,11 @@ def ak():
         if unit== 'q':
         if unit== 'q':
             break
             break
         else:
         else:
+            try:
+                unit=int( unit )
+            except:
+                print("请输入数字")
+            else:   
                 total.append(unit)
                 total.append(unit)
     print(total)
     print(total)
 ak()
 ak()
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