save project

7891.PY

+try:
+    age=int(input('你今年几岁了！'))
+except:
+    print('整数')
+else:
+    if age<18:
+        print('不能喝酒')
+print('结束')
\ No newline at end of file

func.py

 total = []
 while True:
-    unit= input("请输入：")
+    try:
+        unit= int(input("请输入："))
+    except:
+        print('请输入数字！')
+    else:
     if unit== 'q':
         break
     else:

y.py

+taotui=[]
+while True:
+    caiming=input("请输入菜名:")
+    if caiming=='q':
+        break
+    else:
+        taotui.append(caiming)
+print(taotui)
\ No newline at end of file