#------------------------------------------------------------------------------
#  RandomInput5.py
#  Creates a random input file for CSE 101 pa5 by randomizing the lines in 
#  file english3.txt, which contains 194,434 different words in alphabetical
#  order. To run this program, do 
#
#            python3 RandomInput5.py 
#
#  then test your program by doing
#
#            diff blah english3.txt  
#  
#  where blah was the name of the input file created by this program. No
#  ouput from diff indicates there was no difference in the files.     
#------------------------------------------------------------------------------
from random import shuffle

# get file names and open files
infile = open(input('Enter name of file to create: '),'w')

# to mix-up some other file put its name in place of 'english3.txt'
thisfile = open('english3.txt','r')  

# read lines of this file into a list and randomize the list
L = thisfile.readlines()
shuffle(L)

# write mixed lines to new file
for line in L:
   infile.write(line)
   
# close files   
infile.close()
thisfile.close()