<p style="color:rgb(0,0);font-family:'Helvetica Neue',Helvetica,Verdana,Arial,sans-serif;font-size:14px;text-align:left;background-color:rgba(255,255,.3);">在Python函数中,传递的参数如果默认有一个为 列表(list),那么就要注意了,此处有坑！！
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