摘要: 1.打开网页 urllib.request.urlopen('网址') 例:response = urllib.request.urlopen('http://www.baidu.com/') 返回值为 <http.client.HTTPResponse object at 0x00000224EC 阅读全文
posted @ 2020-05-02 21:15 Hany47315 阅读(532) 评论(0) 推荐(0)
摘要: import heapq class PriorityQueue: def __init__(self): self._queue=[] self._index=0 def push(self,item,priority): heapq.heappush(self._queue,(-priority 阅读全文
posted @ 2020-05-02 20:47 Hany47315 阅读(120) 评论(0) 推荐(0)
摘要: def dedupe(items,key=None): seen = set() for item in items: val = item if key==None else key(item) #item是否为字典,是则转化为字典key(item),匿名函数调用 if val not in se 阅读全文
posted @ 2020-05-02 20:44 Hany47315 阅读(140) 评论(0) 推荐(0)