Default [Q]Lenovo A7-50L need help with rooting this device

Greetings. Some time ago I bought a lenovo tablet A7-50L. Ii is well-equipped tablet for a grate price, but so far I could not find a way to root it. I am not developer or programmer. So if is here someone who knows, please help me with it. Thanks for every idea. And sorry for my bad english.