如何按键打印多维数组？

def print_array(arr):
    for item in arr:
        if isinstance(item, list):
            print_array(item)
        else:
            print(item)

# 示例多维数组
array = [1, 2, [3, 4, [5, 6]], 7, [8, 9]]

print_array(array)