Python获取二维数组的行列数

import numpy as np

x = np.array([[1,2,5],[2,3,5],[3,4,5],[2,3,6]])
# 输出数组的行和列数
print x.shape  # (4, 3)
# 只输出行数
print x.shape[0] #
# 只输出列数
print x.shape[1] #