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file=open('usernames.txt','w+')

userList=open("usernames.txt").readlines()
Answer=""
userName=""

print "\nWelcome, please sign in or enter 2 for registration:"
userName=raw_input("> ")

if (userName in userList or "2"):
	Answer="Y"

if (userName not in userList) or (userName!=2):
	print"\nI'm sorry, that user is not registered. Please re-enter your user name or enter 2 for registration."
	userName=raw_input("> ")

while(userName not in userList):
	print"\n I'm sorry, that user name is not registered. Please re-enter your user name or enter 2 for registration."
	userName=raw_input("> ")
	if userName == "2":
		break

if userName == "2":
	print "\nPlease select a user name:"
	userName=raw_input("> ")
	while userName in userList:
		print "\nSorry, that name is already in use. Please select another:"
		userName=raw_input("> ")
	print "\nyou entered %s, is this correct? Y/N:"%userName
	Answer=raw_input("> ")
	if (Answer=="Y" or Answer=="y"):
		with open("usernames.txt","a")as myfile:
			myfile.write("\n%s"%userName)
	elif False:
		Answer="N"

while (Answer =="N" or Answer=="n"):
	print"\nPlease re-enter your user name:"
	userName=raw_input("> ")
	print"\nYou entered '%s', is this correct? Y/N:"%userName
	Answer=raw_input("> ")
	if (Answer=="Y" or Answer=="y"):
		with open("usernames.txt","a+")as myfile:
			myfile.write("\n%s"%userName)

print "\nHello %s, What would you like to do?"%userName
print """\n\t1. View Schedule\n
\t2. View Database\n
\t3. Add a Parolee\n
\t4. Sign out\n"""
Menu=raw_input("> ")

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