save project

a.py

 def a():
 def a():
         total = []
         total = []
     while True:
     while True:
-
         unit= input("请输入：")
         unit= input("请输入：")
         if unit== 'q':
         if unit== 'q':
             break
             break
         else:
         else:
-            total.append(unit)
-            print(total)
+            try:
+                total.append(unit)
+            except:
+                print(total)
 a()
 a()