save project

p.py

@@ -5,6 +5,11 @@ def new_input():
         if unit=='q':
             break
         else:
+            try:
+                unit=int(unit)
+            except:
+                print('请重新输入一个数字')
+            else:
                 total.append(unit)
     print(total)
 new_input()