正则去除末尾字符串
import re
pv = "3724:32263930;3412:36033617;",
pvName = "尺码:XXL;颜色:黑色;",
pv = re.sub(";$", "", pv)
pvName = re.sub(";$", "", pvName)
返回结果：
pv = "3724:32263930;3412:36033617",
pvName = "尺码:XXL;颜色:黑色",
重新拼接字符串
pvName="颜色:松蓝色;尺码:XS"
if pvName.startswith("颜色"):
pvName = pvName.split(";")[1]+";"+pvName.split(";")[0]
pv = pv.split(";")[1]+";"+pv.split(";")[0]
返回结果：
pvName = "尺码:XS;颜色:松蓝色"