save project

1.py/1.py

 def mean():
     total=[]
     while True:
-        unit=input("请输入:")
+        unit=input('请输入：')
         if unit=='q':
            break
         else:
-            total.append(unit)
+            try:
+                unit=int(unit)
+            except:
+                print("请输入数字")
+            else:
+                total.append(unit)
+            print("-"*30)
     print(total)
 mean()
\ No newline at end of file

1.py/2.py

+try:
+    age=int(input("你今年几岁了？"))
+except:
+    print('要输入整数啊!')
+else:
+    if age<18:
+        print("不可以喝酒噢！")
+print('程序结束。')
\ No newline at end of file