Python syntax exercise--if judgment

#!/usr/bin/env python  
# -*- coding:utf8 -*-  
  
age = int(input("输入您的年龄"))  
  
if age < 18:  
    print ("您是一名未成年")  
elif age > 18:  
    print ("您是一名成年人")  
else:  
    print ("输入错误,请重新输入")  
-----------------------------------------------  
name_list = ["Jin","Tom","Cat","Jak","Sum"]  
  
if "Jin" in name_list:  
    print ("Jin")  
else:  
    print ("error")

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