Text File Scrambler

#rebuilds a text file book into a random version.
import random
f=open("alice.txt","r")
start = input("Press the 'G' key to go!!!")
if start == "g":
    for x in range(0, 3666):
        lines = open("alice.txt").read().splitlines()
        myline =random.choice(lines)
        g=open("alice_converted.txt","a")
        g.write(str(myline) + "\n")
        print(myline)