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Original file line number	Diff line number	Diff line change
`@@ -72,5 +72,29 @@`
`72`	`72`	`# np.load(fname)`
`73`	`73`	`# • fname : 文件名,以.npy为扩展名,压缩扩展名为.npz`
`74`	`74`
`75`		`-a = np.arange(100).reshape(5, 10, 2)`
`76`		`-np.save('a.npy', a)`
	`75`	`+# a = np.arange(100).reshape(5, 10, 2)`
	`76`	`+# np.save('a.npy', a)`
	`77`	`+# b = np.load('a.npy')`
	`78`	`+# print(b)`
	`79`	`+`
	`80`	`+"""`
	`81`	`+numpy的随机数函数`
	`82`	`+"""`
	`83`	`+`
	`84`	`+# rand(d0,d1,..,dn) 根据d0‐dn创建随机数数组,浮点数,[0,1),均匀分布`
	`85`	`+# randn(d0,d1,..,dn) 根据d0‐dn创建随机数数组,标准正态分布`
	`86`	`+# randint(low[,high,shape]) 根据shape创建随机整数或整数数组,范围是[low, high)`
	`87`	`+# seed(s) 随机数种子,s是给定的种子值`
	`88`	`+`
	`89`	`+# a = np.random.rand(3, 4, 5)`
	`90`	`+# print(a)`
	`91`	`+# b = np.random.randn(3, 4, 5)`
	`92`	`+# print(b)`
	`93`	`+# c = np.random.randint(100, 800,(3, 4, 2))`
	`94`	`+# print(c)`
	`95`	`+`
	`96`	`+# shuffle(a) 根据数组a的第1轴进行随排列,改变数组x`
	`97`	`+# permutation(a) 根据数组a的第1轴产生一个新的乱序数组,不改变数组x`
	`98`	`+# choice(a[,size,replace,p])`
	`99`	`+# 从一维数组a中以概率p抽取元素,形成size形状新数组`
	`100`	`+# replace表示是否可以重用元素,默认为False`

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