save project

fan.py

+def new_input():
+    a=[]
+    while True:
+        a=input("请输入年龄")
+        if a=="q":
+            break
+        try:
+            a=int(a)
+        except:
+            print("请输入数字")
+        else:
+            if a<18:
+                print("不能喝酒")
+            else:
+                print("去喝酒吧")
+        print("程序结束")
+new_input()
 
 
-while True:
-    try:
-        a=int(input("请输入年龄"))
-    except:
-        print("请输入数字")
-    else:
-        if a<18:
-            print("你不能喝酒")
    
    
\ No newline at end of file