滚烫的青春

摘要： 1 import numpy as np 2 arr = np.array([[2, 3], [5, 4], [9, 6], [4, 7], [8, 1], [7, 2]]) 3 arr.shape 4 5 class KDTree(): 6 def __init__(self): 7 self.value = None 8 self.left = None 9 self.right = None 阅读全文