access/modify properties file

from jproperties import Properties
p=Properties()


with open("database.properties","r+b") as f:
 p.load(f,"utf-8")

p["uday"]="kiran1"
p["uday1"]="kira1n1"
p["URL"]="jdbc\:oracle\:thin\:@//192.168.63.118\:90012/XE"

with open("database.properties","wb") as f:
 p.store(f,encoding="utf-8")

Reference