b=np.array([[7,2],[2,4],[3,6],[7,8],[9,10]])
print(b)
print(type(b)) # 结果显示为nunmpy 数组
a=[]
for i in range(4):
a.append(b[i])
print(a)
print(type(a))
a=[]
for i in range(4):
a.append(i)
print(a)
print(type(a))
添加一个数与添加多维数组的结果,如下:
1.增加多维度
b=np.array([[7,2],[2,4],[3,6],[7,8],[9,10]])
print(b)
a=[]
for i in range(4):
a.append(b[i])
print(a)
print(type(a))
2.增加1维
a=[]
for i in range(4):
a.append(i)
print(a)
print(type(a))