Text File Reader (Random Lines)

#reads 100 random lines from a given text file.
import random
f=open("names.txt","r")
start = input("Press the 'G' key to go!!!")
if start == "g":
    for x in range(0, 100):
        lines = open("names.txt").read().splitlines()
        myline =random.choice(lines)
        print(myline)