#读写二进制文件
import numpy as np
a=np.arange(0,12,2).reshape(2,3)
np.save('a.npy',a)
c=np.load('a.npy')
print(c)
d=np.array([1,2,3])
e=np.arange(0,1,0.1)
f=np.sin(e)
np.savez('result.npz',d,e,f)
r=np.load('result.npz')
print(r['arr_1'])#'arr_1'代表数组e
#读写文本文件
a=np.arange(0,12,0.5).reshape(4,-1)#-1是自动调整
np.savetxt("a1.txt",a,fmt="%d",delimiter=",")
g=np.loadtxt("a1.txt",delimiter=",")
print(g)
