Python decorator

import pandas as pd
import datetime
from datetime import timedelta
from functools import wraps
import time

def check_exec(func):
    @wraps(func)
    def exe_func(*args, **kwargs):
        loop_cd, step_no = func(*args, **kwargs)
        
        exec_info_dict['loop_cd'].append(loop_cd)
        exec_info_dict['step_no'].append(step_no)

        start_datetime = datetime.datetime.now()
        start_datetime_str = start_datetime.strftime('%Y-%m-%d %H:%M:%S')
        exec_info_dict['func'].append(f"{func.__name__}")
        exec_info_dict['start_dt'].append(start_datetime_str)

        end_datetime = datetime.datetime.now() + timedelta(hours=9)
        end_datetime_str = end_datetime.strftime('%Y-%m-%d %H:%M:%S')
        operation_time = (end_datetime - start_datetime).seconds
        exec_info_dict['end_dt'].append(end_datetime_str)
        exec_info_dict['operation_time'].append(operation_time)
        exec_info_dict['success'].append('Y')
    return exe_func

# 실행 정보
exec_info_dict = {
      "loop_cd": []
    , "step_no": []
    , "func": []
    , "start_dt": []
    , "end_dt": []
    , "operation_time": []
    , "success": []
}

@check_exec
def first(loop_cd, step_no):
    time.sleep(3)
    return loop_cd, step_no
@check_exec
def second(loop_cd, step_no):
    time.sleep(3)
    return loop_cd, step_no
@check_exec
def third(loop_cd, step_no):
    time.sleep(3)
    return loop_cd, step_no

loop_lst = ['0001', '0002', '0003']

for loop_cd in loop_lst :
    a = first(loop_cd, step_no = '1')
    b = second(loop_cd, step_no = '2')
    c = third(loop_cd, step_no = '3')

pdf =  pd.DataFrame.from_dict(exec_info_dict)
pdf
  loop_cd step_no    func  ...         end_datetime operation_time  success
0    0001       1   first  ...  2022-09-20 07:46:21          32400        Y
1    0001       2  second  ...  2022-09-20 07:46:24          32400        Y
2    0001       3   third  ...  2022-09-20 07:46:27          32400        Y
3    0002       1   first  ...  2022-09-20 07:46:30          32400        Y
4    0002       2  second  ...  2022-09-20 07:46:33          32400        Y
5    0002       3   third  ...  2022-09-20 07:46:36          32400        Y
6    0003       1   first  ...  2022-09-20 07:46:39          32400        Y
7    0003       2  second  ...  2022-09-20 07:46:42          32400        Y
8    0003       3   third  ...  2022-09-20 07:46:45          32400        Y