34, 35]])print(type(a)) # NumPy数组实际上被称为ndarrayprint(a.dtype) # int32print(a.size) # 25print(a.shape) # (5, 5) 数组的形状是它有多少行和列print(a.itemsize) # 4print(a.ndim) # 2print(a.nbytes) # 100