检查某个键是否存在
检查某个键是否存在详细操作教程
以下实例为学习检查某个键是否存在，具体代码如下：
# Filename : example.py
# Author by : www.lidihuo.com
thisdict = {
"brand": "Porsche",
"model": "911",
"year": 1963
}
if "model" in thisdict:
print("Yes, 'model' is one of the keys in the thisdict dictionary")
执行以上代码输出结果为：
# Filename : example.py
# Author by : www.lidihuo.com
Yes, 'model' is one of the keys in the thisdict dictionary
