save project

3417.py

@@ -3,6 +3,12 @@ while True:
     unit = input("请输入:")
     unit = input("请输入:")
     if unit =="q":
     if unit =="q":
         break
         break
-    else:
+else:
+    try:
+        unit=int(unit)
+    except:
+        print("换个方式的一个开发投入")
+    else:    
         total.append(unit)
         total.append(unit)
+
 print(total)
 print(total)
\ No newline at end of file