[Python] Is it possible for a list to contain full 'methods', and use random.choice to choose...

I am trying to create a simple random walk using turtle graphics, and in my attempt to create a function that turns the turtle in a random direction, the turtle would turn only 180 or 0 degrees, resulting in a back and forth motion.

def random_direction(obj):
directions = [obj.left(0) , obj.left(90) , obj.left(180) , obj.left(270)]
random.choice(directions)


On the other hand, the following returned a proper random walk:

def random_direction(obj):
directions = [0 , 90 , 180 , 270]
obj.left(random.choice(directions))

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