python爬虫参数过多时，批量生成参数

#     dict1 = {}
#     import json,re
#     res = re.findall('\n(.*?)\n',str1)
#     for i in res:
#         aaa = i.split(':')
#         print(aaa)
#         if len(aaa) ==2 :
#             dict1[aaa[0].strip()] = aaa[1]
#     print(dict1)