import requests
'''
  :param proxies: (optional) Dictionary mapping protocol to the URL of the proxy.
  :param verify: (optional) Either a boolean, in which case it controls whether we verify
      the server's TLS certificate, or a string, in which case it must be a path
      to a CA bundle to use. Defaults to ``True``.
      
'''
r = requests.get('https://kyfw.12306.cn',verify=False)

print(r.text)

import requests
'''
  :param verify: (optional) Either a boolean, in which case it controls whether we verify
      the server's TLS certificate, or a string, in which case it must be a path
      to a CA bundle to use. Defaults to ``True``.
      
'''
## 证书路径
cert = '../cert/test.pem'

r = requests.get('https://kyfw.12306.cn',verify=cert)
print(r.text)