import requests
from lxml import etree
headers = {
"User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/84.0.4147.89 Safari/537.36"
}
url = "https://www.huilv.cc/USD_CNY/"
def Get_huilv(url, headers1):
res = requests.get(url=url, headers=headers1, timeout=2)
#print(res.status_code)#打印状态码
html = etree.HTML(res.text)
USD_VS_RMB_0 = html.xpath('//div[@id="main"]/div[1]/div[2]/span[1]/text()')
print(USD_VS_RMB_0)
for a in USD_VS_RMB_0:
b = a
USD_VS_RMB_1 = float(b)
#print(USD_VS_RMB_1)
#print("实时汇率为:{}".format(USD_VS_RMB_1))
Get_huilv(url, headers)
比如我要用这个汇率乘以3,怎么取上面的汇率数值相乘?