save project

func.py

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