openNAMU__openNAMU/set_mark/start.py

import re

def start(data):    
    data = data.replace('\\r', '\r')
    data = data.replace('\\n', '\n')
    data = re.sub("\n", "\r\n", re.sub("\r\n", "\n", data))
    data = '\r\n' + data + '\r\n'
        
    return(data)