谁知道这个库怎么用？

# -*- coding: utf-8 -*-
import requests
from notify_mtr import send
from utils import get_data
class KJWJ:
def __init__(self, check_items):
self.check_items = check_items

def login(self, usr, pwd):
login_url = 'https://www.kejiwanjia.net/wp-json/jwt-auth/v1/token'
headers = {
'user-agent':
'Mozilla/5.0 (Linux; Android 10; PBEM00) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/93.0.4577.52 Mobile Safari/537.36'
}
data = {
'nickname': '',
'username': usr,
'password': pwd,
'code': '',
'img_code': '',
'invitation_code': '',
'token': '',
'smsToken': '',
'luoToken': '',
'confirmPassword': '',
'loginType': ''
}
res = requests.post(login_url, headers=headers, data=data)
if res.status_code == 200:
status = res.json()
login_stat = f"账号：{status.get('name')} 登陆成功"
id = f"ID：{status.get('id')}"
coin = f"金币：{status.get('credit')}"
level = f"等级：{status.get('lv').get('lv').get('name')}"
token = status.get('token')
check_url = 'https://www.kejiwanjia.net/wp-json/b2/v1/userMission'
check_head = {
'authorization':
f'Bearer {token}',
'origin':
'https://www.kejiwanjia.net',
'referer':
'https://www.kejiwanjia.net/task',
'user-agent':
'Mozilla/5.0 (Linux; Android 10; PBEM00) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/93.0.4577.52 Mobile Safari/537.36'
}
resp = requests.post(check_url, headers=check_head)
if resp.status_code == 200:
info = resp.json()
# print(info)
if 'date' in info:
sign_info = f"签到成功：{info.get('credit')} 金币"
else:
sign_info = f"已经签到：{info}金币"
else:
sign_info = '账号登陆失败: 账号或密码错误'
return login_stat, id, coin, level, sign_info

def main(self):
msg_all = ""
i = 1
for check_item in self.check_items:
username = str(check_item.get("username"))
password = str(check_item.get("password"))
login_stat, id, coin, level, sign_info = self.login(
usr=username, pwd=password)
msg = (
f"===> 账号{i} 开始 签到信息 <===n"
f"{sign_info}"
)
i += 1
msg_all += msg + 'nn'
return msg_all
if __name__ == '__main__':
data = get_data()
_check_items = data.get("KJWJ", [])
res = KJWJ(check_items=_check_items).main()
print(res)
sen