auto save

diy.py

+while True:
+    years = input("How old are you?\n")
+    try:
+        if int(years) <= 18:
+            print("未成年人禁止吸烟饮酒")
+        else:
+            print("您已成年")
+    except:
+            print("输入错误,请正确输入")
+            continue   
+    
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