Generate ramdon string certain of times [closed]

Generate random string certain times (10), honestly i don't know how, specifically everytime the random string be generated needs to have a line in the middle every line, thanks.

import os
import random
import json
''.join([random.SystemRandom().choice("abdc0123456789ef") for i in range(64)]) 

for random.SystemRandom().choice in range(10)

Generate random string certain of times.