这是源码：
# 作 者：南木子
# 时 间：2020/12/17 21:08
import requests
if __name__ == "__main__":
url = 'http://www.baidu.com/baidu?tn=monline_7_dg&ie=utf-8&wd=ip'
headers = {
"User-Agent": "Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/80.0.3987.132 Safari/537.36"
}
proxies = {
"http": "http://175.42.128.58:9999",
"https": "https://175.43.56.35:9999",
}
#response = requests.get(url=url,headers=headers,proxies = proxies,timeout=(3,7))
#page_text = response.text
#print("code:",response.status_code)
page_text = requests.request('get',url=url,headers=headers,proxies={"http":"https://175.42.128.58:9999"}).text
with open('ip.html','w',encoding='utf-8') as fp:
fp.write(page_text)
print('over!')
但是报错：
D:\Python\python.exe E:/python/2020bilibili/路飞学城-爬虫/代理.py
Traceback (most recent call last):
File "D:\Python\lib\site-packages\urllib3\connection.py", line 156, in _new_conn
conn = connection.create_connection(
File "D:\Python\lib\site-packages\urllib3\util\connection.py", line 84, in create_connection
raise err
File "D:\Python\lib\site-packages\urllib3\util\connection.py", line 74, in create_connection
sock.connect(sa)
TimeoutError: [WinError 10060] 由于连接方在一段时间后没有正确答复或连接的主机没有反应，连接尝试失败。
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "D:\Python\lib\site-packages\urllib3\connectionpool.py", line 662, in urlopen
self._prepare_proxy(conn)
File "D:\Python\lib\site-packages\urllib3\connectionpool.py", line 948, in _prepare_proxy
conn.connect()
File "D:\Python\lib\site-packages\urllib3\connection.py", line 334, in connect
conn = self._new_conn()
File "D:\Python\lib\site-packages\urllib3\connection.py", line 168, in _new_conn
raise NewConnectionError(
urllib3.exceptions.NewConnectionError: <urllib3.connection.VerifiedHTTPSConnection object at 0x03B37460>: Failed to establish a new connection: [WinError 10060] 由于连接方在一段时间后没有正确答复或连接的主机没有反应，连接尝试失败。
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "D:\Python\lib\site-packages\requests\adapters.py", line 439, in send
resp = conn.urlopen(
File "D:\Python\lib\site-packages\urllib3\connectionpool.py", line 719, in urlopen
retries = retries.increment(
File "D:\Python\lib\site-packages\urllib3\util\retry.py", line 436, in increment
raise MaxRetryError(_pool, url, error or ResponseError(cause))
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='175.42.128.58', port=9999): Max retries exceeded with url: http://www.baidu.com/baidu?tn=monline_7_dg&ie=utf-8&wd=ip (Caused by ProxyError('Cannot connect to proxy.', NewConnectionError('<urllib3.connection.VerifiedHTTPSConnection object at 0x03B37460>: Failed to establish a new connection: [WinError 10060] 由于连接方在一段时间后没有正确答复或连接的主机没有反应，连接尝试失败。')))
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "E:/python/2020bilibili/路飞学城-爬虫/代理.py", line 19, in <module>
page_text = requests.request('get',url=url,headers=headers,proxies={"http":"https://175.42.128.58:9999"}).text
File "D:\Python\lib\site-packages\requests\api.py", line 60, in request
return session.request(method=method, url=url, **kwargs)
File "D:\Python\lib\site-packages\requests\sessions.py", line 533, in request
resp = self.send(prep, **send_kwargs)
File "D:\Python\lib\site-packages\requests\sessions.py", line 646, in send
r = adapter.send(request, **kwargs)
File "D:\Python\lib\site-packages\requests\adapters.py", line 510, in send
raise ProxyError(e, request=request)
requests.exceptions.ProxyError: HTTPSConnectionPool(host='175.42.128.58', port=9999): Max retries exceeded with url: http://www.baidu.com/baidu?tn=monline_7_dg&ie=utf-8&wd=ip (Caused by ProxyError('Cannot connect to proxy.', NewConnectionError('<urllib3.connection.VerifiedHTTPSConnection object at 0x03B37460>: Failed to establish a new connection: [WinError 10060] 由于连接方在一段时间后没有正确答复或连接的主机没有反应，连接尝试失败。')))
Process finished with exit code 1
这是什么原因造成的，求解答！！
十分感谢~
