save project

func.py

@@ -4,5 +4,27 @@ while True:
     if unit== 'q':
     if unit== 'q':
         break
         break
     else:
     else:
+    try：
+unit=int(unit)
+try:
+    
+except
+print("请输入数值")  
+   
         total.append(unit)
         total.append(unit)
 print(total)
 print(total)
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