def create_user(body):
    return 'do some magic!'

def create_users_with_array_input(body):
    return 'do some magic!'

def create_users_with_list_input(body):
    return 'do some magic!'

def delete_user(username):
    return 'do some magic!'

def get_user_by_name(username):
    return 'do some magic!'

def login_user(username, password):
    return 'do some magic!'

def logout_user():
    return 'do some magic!'

def update_user(username, body):
    return 'do some magic!'