import time

print("Loading BoneOS on Python")
time.sleep(2)
print("")
print("BoneOS loaded.")
print("")
#Must Access this to continue.

def main():
    while True:
        UserName = input ("Enter Username: ")
        PassWord = input ("Enter Password: ")

        if UserName == 'Stora' and PassWord == 'Katten':
            time.sleep(1)
            print ("Login successful!")
            logged()
        else:
            print ("Password did not match!")

def logged():
    time.sleep(1)
    print ("Welcome to BoneOS, StoraKatten")
    command()

def command():
    while True:
        Command = input ("State command  ")
        if Command == 'log off':
            time.sleep(1)
            print("You have been logged off.")
            print("")
            main()
        if Command == 'commands':
            time.sleep(1)
            print("Command list:")
            print("log off   commands")
            print("hi         license")
            print("shell")
            command()
        if Command == 'hi':
            print ("Hello, Stora!")
            command()
        if Command == 'license':
            print ("Here is the license of python:")
            license()
            command()
        if Command == 'shell':
            print("Here's the shell:")
            shell()
        else:
            time.sleep(1)
            print("That isn't a valid command.")
            command()
main()
def shell():
    print("Here's the shell! Do main() to log back in!")