import urllib.request
proxy_handler = urllib.request.ProxyHandler(
    {
        'http': 'http://127.0.0.1:9743',
        'https': 'https://127.0.0.1:9743'
    }
)
opener = urllib.request.build_opener(proxy_handler)
response = opener.open('http://www.baidu.com')
print(response.read())

出现以下错误结果：
C:\Users\Administrator\AppData\Local\Programs\Python\Python37-32\python.exe C:/Users/Administrator/AppData/Local/Programs/Python/Python37-32/spiders/基本库的使用.py
Traceback (most recent call last):
  File "C:\Users\Administrator\AppData\Local\Programs\Python\Python37-32\lib\urllib\request.py", line 1317, in do_open
    encode_chunked=req.has_header('Transfer-encoding'))
  File "C:\Users\Administrator\AppData\Local\Programs\Python\Python37-32\lib\http\client.py", line 1229, in request
    self._send_request(method, url, body, headers, encode_chunked)
  File "C:\Users\Administrator\AppData\Local\Programs\Python\Python37-32\lib\http\client.py", line 1275, in _send_request
    self.endheaders(body, encode_chunked=encode_chunked)
  File "C:\Users\Administrator\AppData\Local\Programs\Python\Python37-32\lib\http\client.py", line 1224, in endheaders
    self._send_output(message_body, encode_chunked=encode_chunked)
  File "C:\Users\Administrator\AppData\Local\Programs\Python\Python37-32\lib\http\client.py", line 1016, in _send_output
    self.send(msg)
  File "C:\Users\Administrator\AppData\Local\Programs\Python\Python37-32\lib\http\client.py", line 956, in send
    self.connect()
  File "C:\Users\Administrator\AppData\Local\Programs\Python\Python37-32\lib\http\client.py", line 928, in connect
    (self.host,self.port), self.timeout, self.source_address)
  File "C:\Users\Administrator\AppData\Local\Programs\Python\Python37-32\lib\socket.py", line 727, in create_connection
    raise err
  File "C:\Users\Administrator\AppData\Local\Programs\Python\Python37-32\lib\socket.py", line 716, in create_connection
    sock.connect(sa)
ConnectionRefusedError: [WinError 10061] 由于目标计算机积极拒绝，无法连接。


请问如何解决？？？

因为是新手，按照书一步步学的（小尴尬）