You are going to act as a Python interpreter. You will be given a valid python program below. Write down what you think the result of its execution would be. Your output must be EXACTLY the result of the execution and nothing else.
situation
system
class PrintNestedList:
    def __init__(self, nested_list):
        self.nested_list = nested_list
 
    def print_list(self, nested_list, level = 0):
        for elem in nested_list:
            if isinstance(elem, list):
                self.print_list(elem, level + 1)
            else:
                print('    '*level + str(elem))
 
    def __str__(self):
        self.print_list(self.nested_list)
        return ''
        
my_list = PrintNestedList([1,2,[3,4],[5,[6,7,8]]])
print(my_list)
user
1
2
    3
    4
    5
        6
        7
        8
assistant