import os
#Variables
FileName = "Password.txt"

#Functions
def Begin():
    a = raw_input("What would you like to do?: ").lower()
    if(a == "login"):
        Login()

    elif(a == "create"):
        Create()

    else:
        Error()

def Login():
    if(os.path.isfile(FileName)):
        nUser = "usr" + raw_input("Username: ").lower()
        nPass = "pass" + raw_input("Password: ").lower()
        iLogin = open(FileName, "r")
#        if(iLogin.search(nUser + nPass)):
#            print("Thank you for loggin in.")
#            return 0
#        for line in iLogin:
#            LoginInformation = line
#            break

#        if(LoginInformation.search(nUser + nPass)):
#            print("Thank you for logging in.")
#            return 0

    Error()

def Create():
    if(os.path.isfile(FileName)):
        print("You already have an account. Delete Password.txt to create a new one.")
        Begin()

    Pass = open(FileName, "w")
    b = raw_input("Username: ").lower()
    c = raw_input("Password: ").lower()
    Pass.writelines("usr" + b + " , " + "pass"+ c)
    Pass.close()
    return 0

def Error():
    print("You have entered an invalid response.")
    Begin()

#Program
print "Login or create an account below."
Begin()